| Abstract | It has been recently shown that the strength of plasmon coupling between a pair of plasmonic metal nanoparticles falls as a function of the interparticle gap scaled by the particle size with a near-exponential decay trend that is universally independent of nanoparticle size, shape, metal type, or medium dielectric constant. In this letter, we extend this universal scaling behavior to the dielectric core-metal shell nanostructure. By using extended Mie theory simulations of silica core-metal nanoshells, we show that when the shift of the nanoshell plasmon resonance wavelength scaled by the solid nanosphere resonance wavelength is plotted against the shell thickness scaled by the core radius, nanoshells with different dimensions (radii) exhibit the same near-exponential decay. Thus, the nanoshell system becomes physically analogous to the particle-pair system, i.e., the nanoshell plasmon resonance results from the coupling of the inner shell surface (cavity) and the outer shell surface (sphere) plasmons over a separation distance essentially given by the metal shell thickness, which is consistent with the plasmon hybridization model of Prodan, Halas, and Nordlander. By using the universal scaling behavior in the nanoshell system, we propose a simple expression for predicting the dipolar plasmon resonance of a silica-gold nanoshell of given dimensions. |
| Related Item:Host | |
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Title Information |
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Title |
Nano Lett. |
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Origin Information |
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Issuance |
continuing |
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Part |
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Identifier:ISSN |
1530-6984 |
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Genre(marcgt) |
periodical |
| Identifier | jai07a |
| Identifier:DOI | 10.1021/nl071496m |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl071496m |
| Title Information | |
|
Title |
On the Universal Scaling Behavior of the Distance Decay of Plasmon Coupling in Metal Nanoparticle Pairs: A Plasmon Ruler Equation |
| Name:Personal | |
|
Name Part:given |
Prashant K. |
|
Name Part:family |
Jain |
|
Role |
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Role Term:Text |
author |
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affiliation |
Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, University of California, Berkeley, California 94720 |
| Name:Personal | |
|
Name Part:given |
Wenyu |
|
Name Part:family |
Huang |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, University of California, Berkeley, California 94720 |
| Name:Personal | |
|
Name Part:given |
Mostafa A. |
|
Name Part:family |
El-Sayed |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, University of California, Berkeley, California 94720 |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Localized surface plasmon resonances (LSPR) in lithographically fabricated gold (Au) nanodisc pairs are investigated using microabsorption spectroscopy and electrodynamic simulations. In agreement with previous work, we find that the fractional plasmon wavelength shift for polarization along the interparticle axis decays nearly exponentially with the interparticle gap. In addition, we find that the decay length is roughly about 0.2 in units of the particle size for different nanoparticle size, shape, metal type, or medium dielectric constant. The near-exponential distance decay and the interesting "universal" scaling behavior of interparticle plasmon coupling can be qualitatively explained on the basis of a dipolar-coupling model as being due to the interplay of two factors: the direct dependence of the single-particle polarizability on the cubic power of the particle dimension and the decay of the plasmonic near-field as the cubic power of the inverse distance. Using this universal scaling behavior, we are able to derive a "plasmon ruler equation" that estimates the interparticle separation between Au nanospheres in a biological system from the observed fractional shift of the plasmon band. We find good agreement of the interparticle separations estimated using this equation with the experimental observations of Reinhard et al. (Nano Lett. 2005, 5, 2246-2252). |
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Title |
Nano Lett. |
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Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
7 |
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Part Detail:issue |
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Part Number |
7 |
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Extent(unit="pages") |
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Start |
2080 |
|
End |
2088 |
|
Identifier:ISSN |
1530-6984 |
|
Genre(marcgt) |
periodical |
| Identifier | jai07 |
| Identifier:DOI | 10.1021/nl071008a |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl071008a |
| Title Information | |
|
Title |
Surface raman spectroelectrochemistry: Part I. Heterocyclic, aromatic, and aliphatic amines adsorbed on the anodized silver electrode |
| Name:Personal | |
|
Name Part:given |
David L. |
|
Name Part:family |
Jeanmaire |
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Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Richard P. |
|
Name Part:family |
Van Duyne |
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Role |
|
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Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | In this work we have verified the remarkable sensitivity of Raman spectroscopy for the study of adsorbed pyridine on a silver surface, and extended its applicability to other nitrogen heterocycles and amines. New bands in the scattering spectrum of adsorbed pyridine have been characterized, which were not previously reported, as well as the Raman intensity response of all the surface pyridine bands as a function of electrode potential. As a result of these experiments, we have proposed a model of the adsorbed species for pyridine in which the adsorption is anion induced, leading to an axial end-on attachment to the electrode surface. The ability to obtain resonance Raman spectra with good signal-to-noise with laser powers less than 1.0 mW, reported here for the first time, opens up possibilities of surface Raman studies with relatively inexpensive laser systems. As laser power requirements are relaxed, reliability is improved, and greater tuning ranges can be achieved for wavelength dependent studies. We previously demonstrated the potential of resonance Raman spectroscopy for monitoring solution kinetic behavior [2], and now have shown that NR as well as RR spectroscopy has sufficient sensitivity to extend the studies of kinetic processes to include those occurring at electrode surfaces. |
| Related Item:Host | |
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Title Information |
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Title |
J. Electroanal. Chem. |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
84 |
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Part Detail:issue |
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Part Number |
1 |
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Extent(unit="pages") |
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Start |
1 |
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End |
20 |
|
Genre(marcgt) |
periodical |
| Identifier | jea77 |
| Identifier:DOI | 10.1016/S0022-0728(77)80224-6 |
| Location | |
|
URL |
http://dx.doi.org/10.1016/S0022-0728(77)80224-6 |
| Title Information | |
|
Title |
Fluorescent Lifetime Quenching near d = 1.5 nm Gold Nanoparticles: Probing NSET Validity |
| Name:Personal | |
|
Name Part:given |
T. L. |
|
Name Part:family |
Jennings |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. P. |
|
Name Part:family |
Singh |
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Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
G. F. |
|
Name Part:family |
Strouse |
|
Role |
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Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The fluorescence behavior of molecular dyes at discrete distances from 1.5 nm diameter gold nanoparticles as a function of distance and energy is investigated. Photoluminescence and luminescence lifetime measurements both demonstrate quenching behavior consistent with 1/d4 separation distance from dye to the surface of the nanoparticle. In agreement with the model of Persson and Lang, all experimental data show that energy transfer to the metal surface is the dominant quenching mechanism, and the radiative rate is unchanged throughout the experiment. |
| Related Item:Host | |
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Title Information |
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Title |
J. Am. Chem. Soc. |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
128 |
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Part Detail:issue |
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Part Number |
16 |
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Extent(unit="pages") |
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Start |
5462 |
|
End |
5467 |
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Genre(marcgt) |
periodical |
| Identifier | jen06 |
| Identifier:DOI | 10.1021/ja0583665 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ja0583665 |
| Title Information | |
|
Title |
Nonexponential kinetics of a single tRNAPhe molecule under physiological conditions |
| Name:Personal | |
|
Name Part:given |
Yiwei |
|
Name Part:family |
Jia |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Alexander |
|
Name Part:family |
Sytnik |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Liangquan |
|
Name Part:family |
Li |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Serguei |
|
Name Part:family |
Vladimirov |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Barry S. |
|
Name Part:family |
Cooperman |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Robin M. |
|
Name Part:family |
Hochstrasser |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The fluorescence decay functions of individual, specifically labeled tRNAPhe molecules exhibit nonexponential character as a result of conformational dynamics occurring during the measurement on a single molecule. tRNAPhe conformational states that interchange much more slowly are evidenced by the distribution of lifetimes observed for many individual molecules. A structural model for the nonexponential decay indicates that the tRNAPhe-probe adduct fluctuates between two states, one of which provides conditions that quench the probe fluorescence. |
| Related Item:Host | |
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Title Information |
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Title |
Proc. Natl. Acad. Sci. USA |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
94 |
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Part Detail:issue |
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Part Number |
15 |
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Extent(unit="pages") |
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Start |
7932 |
|
End |
7936 |
|
Genre(marcgt) |
periodical |
| Identifier | jia97 |
| Location | |
|
URL |
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=21532&rendertype=abstract |
| Title Information | |
|
Title |
Surface-enhanced Raman scattering and fluorescence near metal nanoparticles |
| Name:Personal | |
|
Name Part:given |
Peter |
|
Name Part:family |
Johansson |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Hongxing |
|
Name Part:family |
Xu |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Mikael |
|
Name Part:family |
Käll |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We present a general model study of surface-enhanced resonant Raman scattering and fluorescence, focusing on the interplay between electromagnetic (EM) effects and the molecular dynamics as treated by a density matrix calculation. The model molecule has two electronic levels, is affected by radiative and nonradiative damping mechanisms, and a Franck-Condon mechanism yields electron-vibration coupling. The coupling between the molecule and the electromagnetic field is enhanced by placing it between two Ag nanoparticles. The results show that the Raman scattering cross section can, for realistic parameter values, increase by some 10 orders of magnitude (to similar to 10(-14) cm(2)) compared with the free-space case. Also the fluorescence cross section grows with increasing EM enhancement, however, at a slower rate, and this increase eventually stalls when nonradiative decay processes become important. Finally, we find that anti-Stokes Raman scattering is possible with strong incident laser intensities similar to 1 mW/mu m(2). |
| Subject | |
|
Topic |
resonance raman |
|
Topic |
molecule |
|
Topic |
spectroscopy |
|
Topic |
sers |
|
Topic |
adsorbates |
|
Topic |
silver |
|
Topic |
front |
|
Topic |
films |
|
Topic |
time |
| Related Item:Host | |
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Title Information |
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Title |
Phys. Rev. B |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
72 |
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Part Detail:issue |
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Part Number |
3 |
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Extent(unit="pages") |
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Start |
035427 |
|
Genre(marcgt) |
periodical |
| Identifier | joh05 |
| Identifier:DOI | 10.1103/PhysRevB.72.035427 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRB/v72/e035427 |
|
URL |
http://dx.doi.org/10.1103/PhysRevB.72.035427 |
| Title Information | |
|
Title |
Optical Constants of the Noble Metals |
| Name:Personal | |
|
Name Part:given |
P. B. |
|
Name Part:family |
Johnson |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
R. W. |
|
Name Part:family |
Christy |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The optical constants n and k were obtained for the noble metals (copper, silver, and gold) from reflection and transmission measurements on vacuum-evaporated thin films at room temperature, in the spectral range 0.5-6.5 e{V}. {T}he film-thickness range was 185-500 {\AA}. {T}hree optical measurements were inverted to obtain the film thickness d as well as n and k. {T}he estimated error in d was ± 2 {\AA}, and that in n, k was less than 0.02 over most of the spectral range. {T}he results in the film-thickness range 250-500 {\AA} were independent of thickness, and were unchanged after vacuum annealing or aging in air. {T}he free-electron optical effective masses and relaxation times derived from the results in the near infrared agree satisfactorily with previous values. {T}he interband contribution to the imaginary part of the dielectric constant was obtained by subtracting the free-electron contribution. {S}ome recent theoretical calculations are compared with the results for copper and gold. {I}n addition, some other recent experiments are critically compared with our results. |
| Related Item:Host | |
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Title Information |
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Title |
Phys. Rev. B |
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Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
6 |
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Part Detail:issue |
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Part Number |
12 |
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Extent(unit="pages") |
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Start |
4370 |
|
End |
4379 |
|
Genre(marcgt) |
periodical |
| Identifier | joh72 |
| Identifier:DOI | 10.1103/PhysRevB.6.4370 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRB/v6/p4370 |
|
URL |
http://dx.doi.org/10.1103/PhysRevB.6.4370 |
| Title Information | |
|
Title |
Surface Plasmon Resonance Imaging Measurements of DNA Hybridization Adsorption and Streptavidin/DNA Multilayer Formation at Chemically Modified Gold Surfaces |
| Name:Personal | |
|
Name Part:given |
Claire E. |
|
Name Part:family |
Jordan |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706 |
| Name:Personal | |
|
Name Part:given |
Anthony G. |
|
Name Part:family |
Frutos |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706 |
| Name:Personal | |
|
Name Part:given |
Andrew J. |
|
Name Part:family |
Thiel |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706 |
| Name:Personal | |
|
Name Part:given |
Robert M. |
|
Name Part:family |
Corn |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706 |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | A combination of scanning and imaging surface plasmon resonance (SPR) experiments is used to characterize DNA hybridization adsorption at gold surfaces and the subsequent immobilization of streptavidin. Single-stranded oligonucleotides are immobilized at gold surfaces, and the hybridization of biotinylated complements from solution is monitored with SPR. The subsequent attachment of streptavidin to the biotinylated complements provides a method of enhancing the SPR imaging signal produced as a result of the hybridization and leads to a 4-fold improvement in the hybridization detection limit of the SPR imaging apparatus. In situ scanning SPR experiments are used to measure a 60 ± 20% hybridization efficiency between immobilized single-stranded DNA and biotinylated complements. From the information provided by both the in situ imaging and scanning SPR experiments, an absolute surface coverage of immobilized single-stranded DNA is estimated to be 3 × 1012 molecules/cm2. The SPR signal resulting from hybridization onto immobilized probes is further amplified by the formation of streptavidin/DNA multilayers which grow by a combination of DNA hybridization and biotin-streptavidin binding. DNA/DNA multilayers without streptavidin are used as an additional method of amplifying the SPR signal. |
| Related Item:Host | |
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Title Information |
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Title |
Anal. Chem. |
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Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
69 |
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Part Detail:issue |
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|
Part Number |
24 |
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Extent(unit="pages") |
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Start |
4939 |
|
End |
4947 |
|
Identifier:ISSN |
0003-2700 |
|
Genre(marcgt) |
periodical |
| Identifier | jor97 |
| Identifier:DOI | 10.1021/ac9709763 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ac9709763 |
| Title Information | |
|
Title |
The photophysical and photochemical properties of the oxacarbocyanine and thiacarbocyanine dyes |
| Name:Personal | |
|
Name Part:given |
Janina |
|
Name Part:family |
Kabatc |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Jerzy |
|
Name Part:family |
Paczkowski |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The photophysical and photochemical properties of the oxacarbocyanine and thiacarbocyanine dyes and their derivatives, possessing an alkyl substituents in the meso position of the polymethine chain (CH3, C2H5), studied by absorption and fluorescence spectroscopy are described in this paper. |
| Subject | |
|
Topic |
Thiacarbocyanine dyes |
|
Topic |
Oxacarbocyanine dyes |
|
Topic |
Synthesis |
|
Topic |
Spectroscopic properties |
| Related Item:Host | |
|
Title Information |
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|
Title |
Dyes and Pigments |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
|
|
Part Number |
61 |
|
Part Detail:issue |
|
|
Part Number |
1 |
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Extent(unit="pages") |
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|
Start |
1 |
|
End |
16 |
|
Genre(marcgt) |
periodical |
| Identifier | kab04 |
| Identifier:DOI | 10.1016/j.dyepig.2003.08.002 |
| Location | |
|
URL |
http://www.sciencedirect.com/science/article/B6TFY-49RCG9D-2/2/fb1b0e050bac13129dc20bed101636ae |
|
URL |
http://dx.doi.org/10.1016/j.dyepig.2003.08.002 |
| Title Information | |
|
Title |
Tomographic Plasmon Spectroscopy of a Single Gold Nanoparticle |
| Name:Personal | |
|
Name Part:given |
Thomas |
|
Name Part:family |
Kalkbrenner |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ulf |
|
Name Part:family |
Håkanson |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Vahid |
|
Name Part:family |
Sandoghdar |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We demonstrate a tomographic method for determining the degree of ellipticity and the orientation of a gold nanoparticle. To do this, we attach a single nanoparticle to the end of a sharp glass fiber tip and record its plasmon spectra for different incident polarizations and angles of incidence. Our measurements allow us to identify the plasmon spectra along the three main axes of the particle, therefore resolving its "internal" spectral inhomogeneity. Knowledge of the plasmon resonances and the orientation of a metallic nanoparticle is an important asset for controlled and quantitative studies of its interaction with a single molecule. |
| Related Item:Host | |
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Title Information |
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Title |
Nano Lett. |
|
Origin Information |
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Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
4 |
|
Part Detail:issue |
|
|
Part Number |
12 |
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Extent(unit="pages") |
|
|
Start |
2309 |
|
End |
2314 |
|
Genre(marcgt) |
periodical |
| Identifier | kal04 |
| Identifier:DOI | 10.1021/nl048694n |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl048694n |
| Title Information | |
|
Title |
A single gold particle as a probe for apertureless scanning near-field optical microscopy |
| Name:Personal | |
|
Name Part:given |
T. |
|
Name Part:family |
Kalkbrenner |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. |
|
Name Part:family |
Ramstein |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
J. |
|
Name Part:family |
Mlynek |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
V. |
|
Name Part:family |
Sandoghdar |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We report on the fabrication, characterization and application of a probe consisting of a single gold nanoparticle for apertureless scanning near-field optical microscopy. Particles with diameters of 100 nm have been successfully and reproducibly mounted at the end of sharp glass fibre tips. We present the first optical images taken with such a probe. We have also recorded plasmon resonances of gold particles and discuss schemes for exploiting the wavelength dependence of their scattering cross-section for a novel form of apertureless scanning near-field optical microscopy. |
| Subject | |
|
Topic |
Gold nanoparticle |
|
Topic |
SNOM |
| Related Item:Host | |
|
Title Information |
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|
Title |
J. Microsc. |
|
Origin Information |
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Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
202 |
|
Part Detail:issue |
|
|
Part Number |
1 |
|
Extent(unit="pages") |
|
|
Start |
72 |
|
End |
72 |
|
Genre(marcgt) |
periodical |
| Identifier | kal01 |
| Identifier:DOI | 10.1046/j.1365-2818.2001.00817.x |
| Location | |
|
URL |
http://www.blackwell-synergy.com/links/doi/10.1046/j.1365-2818.2001.00817.x/abs |
|
URL |
http://dx.doi.org/10.1046/j.1365-2818.2001.00817.x |
| Title Information | |
|
Title |
Photophysical, Photochemical and Photocatalytic Aspects of Metal Nanoparticles |
| Name:Personal | |
|
Name Part:given |
P. V. |
|
Name Part:family |
Kamat |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Unique electronic and chemical properties of metal nanoparticles have drawn the attention of chemists, physicists, biologists, and engineers who wish to use them for the development of new generation nanodevices. Metal nanoparticles such as gold and silver show noticeable photoactivity under UV-visible irradiation as is evident from the photoinduced fusion and fragmentation processes. Binding a photoactive molecule (e.g., pyrene) to metal nanoparticle enhances the photochemical activity and renders the organic-inorganic hybrid nanoassemblies suitable for light-harvesting and optoelectronic applications. The nature of charge-transfer interaction of fluorophore with gold surface dictates the pathways with which the excited-state deactivates. Obtaining insight into energy and electron-transfer processes is important to improve the charge separation efficiencies in metal-fluorophore nanoassemblies and photocatalytic activity of metal-semiconductor composites. |
| Subject | |
|
Topic |
self-assembled monolayers |
|
Topic |
enhanced raman-scattering |
|
Topic |
colloidal silver nanoparticles |
|
Topic |
semiconductor thin-films |
|
Topic |
protected gold clusters |
|
Topic |
ruthenium polypyridyl complex |
|
Topic |
nonlinear-optical properties |
|
Topic |
surface-plasmon excitation |
|
Topic |
dip-pen nanolithography |
|
Topic |
electron-transfer |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Phys. Chem. B |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
106 |
|
Part Detail:issue |
|
|
Part Number |
32 |
|
Extent(unit="pages") |
|
|
Start |
7729 |
|
End |
7744 |
|
Genre(marcgt) |
periodical |
| Identifier | kam02a |
| Identifier:DOI | 10.1021/jp0209289 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/jp0209289 |
| Title Information | |
|
Title |
Electrochemical Modulation of Fluorophore Emission on a Nanostructured Gold Film |
| Name:Personal | |
|
Name Part:given |
Prashant V. |
|
Name Part:family |
Kamat |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Said |
|
Name Part:family |
Barazzouk |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Surat |
|
Name Part:family |
Hotchandani |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Subject | |
|
Topic |
fluorescence |
|
Topic |
gold nanoparticles |
|
Topic |
nanostructures |
|
Topic |
organic-inorganic hybrid composites |
|
Topic |
spectroelectrochemistry |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Angew. Chem. Int. Ed. Engl. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
41 |
|
Part Detail:issue |
|
|
Part Number |
15 |
|
Extent(unit="pages") |
|
|
Start |
2764 |
|
End |
2767 |
|
Genre(marcgt) |
periodical |
| Identifier | kam02b |
| Identifier:DOI | 10.1002/1521-3773(20020802)41:15<2764::AID-ANIE2764>3.0. CO;2-E |
| Location | |
|
URL |
http://www3.interscience.wiley.com/cgi-bin/abstract/97516909/ABSTRACT |
|
URL |
http://dx.doi.org/10.1002/1521-3773(20020802)41:15<2764::AID-ANIE2764>3.0. CO;2-E |
| Title Information | |
|
Title |
Towards Multistep Nanostructure Synthesis: Programmed Enzymatic Self-Assembly of DNA/Gold Systems |
| Name:Personal | |
|
Name Part:given |
Antonios G. |
|
Name Part:family |
Kanaras |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Zhenxin |
|
Name Part:family |
Wang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Andrew D. |
|
Name Part:family |
Bates |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Richard |
|
Name Part:family |
Cosstick |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Mathias |
|
Name Part:family |
Brust |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Subject | |
|
Topic |
DNA |
|
Topic |
enzymes |
|
Topic |
gold |
|
Topic |
nanostructures |
|
Topic |
self-assembly |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Angew. Chem. Int. Ed. Engl. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
42 |
|
Part Detail:issue |
|
|
Part Number |
2 |
|
Extent(unit="pages") |
|
|
Start |
191 |
|
End |
194 |
|
Genre(marcgt) |
periodical |
| Identifier | kan03 |
| Identifier:DOI | 10.1002/anie.200390075 |
| Location | |
|
URL |
http://dx.doi.org/10.1002/anie.200390075 |
| Title Information | |
|
Title |
Rhodamine B and rhodamine 101 as reference substances for fluorescence quantum yield measurements |
| Name:Personal | |
|
Name Part:given |
T. |
|
Name Part:family |
Karstens |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
K. |
|
Name Part:family |
Kobs |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Phys. Chem. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
84 |
|
Part Detail:issue |
|
|
Part Number |
14 |
|
Extent(unit="pages") |
|
|
Start |
1871 |
|
End |
1872 |
|
Genre(marcgt) |
periodical |
| Identifier | kar80 |
| Location | |
|
URL |
http://pubs.acs.org/cgi-bin/searchRedirect.cgi/jpchax/1980/84/i14/pdf/j100451a030.pdf |
| Title Information | |
|
Title |
Absolute Measurement of Raman-Scattering Cross Sections of Liquids |
| Name:Personal | |
|
Name Part:given |
Yoshiaki |
|
Name Part:family |
Kato |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Hiroshi |
|
Name Part:family |
Takuma |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | A rotating-sector-disk null method of comparing laser-excited Raman scattering with blackbody radiation is described. With it the Raman-scattering cross sections of the 992-cm-1 line of C6H6 , the 1002-cm' line of C6HsCH3, the 1345-cm-1 line of C6H5NO2, the 656-cm-1 line of CS2, and the 459-cm-1 line of CC14 were measured with 3.1% to 3.4%/ standard deviation. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Opt. Soc. Am. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
61 |
|
Part Detail:issue |
|
|
Part Number |
3 |
|
Extent(unit="pages") |
|
|
Start |
347 |
|
Genre(marcgt) |
periodical |
| Identifier | kat71 |
| Location | |
|
URL |
http://www.opticsinfobase.org/abstract.cfm?URI=josa-61-3-347 |
| Title Information | |
|
Title |
Integrated Nanoparticle-Biomolecule Hybrid Systems: Synthesis, Properties, and Applications |
| Name:Personal | |
|
Name Part:given |
Eugenii |
|
Name Part:family |
Katz |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Itamar |
|
Name Part:family |
Willner |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Nanomaterials, such as metal or semiconductor nanoparticles and nanorods, exhibit similar dimensions to those of biomolecules, such as proteins (enzymes, antigens, antibodies) or DNA. The integration of nanoparticles, which exhibit unique electronic, photonic, and catalytic properties, with biomaterials, which display unique recognition, catalytic, and inhibition properties, yields novel hybrid nanobiomaterials of synergetic properties and functions. This review describes recent advances in the synthesis of biomolecule-nanoparticle/nanorod hybrid systems and the application of such assemblies in the generation of 2D and 3D ordered structures in solutions and on surfaces. Particular emphasis is directed to the use of biomolecule-nanoparticle (metallic or semiconductive) assemblies for bioanalytical applications and for the fabrication of bioelectronic devices. |
| Subject | |
|
Topic |
surface-plasmon resonance |
|
Topic |
bacterial magnetic particles |
|
Topic |
enhanced raman-scattering |
|
Topic |
functionalized gold nanoparticles |
|
Topic |
self-assembled monolayers |
|
Topic |
iron-oxide nanoparticles |
|
Topic |
electrochemical stripping detection |
|
Topic |
quartz-crystal-microbalance |
|
Topic |
direct electron-transfer |
|
Topic |
single-base mismatches |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Angew. Chem. Int. Ed. Engl. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
43 |
|
Part Detail:issue |
|
|
Part Number |
45 |
|
Extent(unit="pages") |
|
|
Start |
6042 |
|
End |
6108 |
|
Genre(marcgt) |
periodical |
| Identifier | kat04 |
| Identifier:DOI | 10.1002/anie.200400651 |
| Location | |
|
URL |
http://dx.doi.org/10.1002/anie.200400651 |
| Title Information | |
|
Title |
Folding-Unfolding Transitions in Single Titin Molecules Characterized with Laser Tweezers |
| Name:Personal | |
|
Name Part:given |
Miklos S. Z. |
|
Name Part:family |
Kellermayer |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Steven B. |
|
Name Part:family |
Smith |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Henk L. |
|
Name Part:family |
Granzier |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Carlos |
|
Name Part:family |
Bustamante |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Titin, a giant filamentous polypeptide, is believed to play a fundamental role in maintaining sarcomeric structural integrity and developing what is known as passive force in muscle. Measurements of the force required to stretch a single molecule revealed that titin behaves as a highly nonlinear entropic spring. The molecule unfolds in a high-force transition beginning at 20 to 30 piconewtons and refolds in a low-force transition at 2.5 piconewtons. A fraction of the molecule (5 to 40 percent) remains permanently unfolded, behaving as a wormlike chain with a persistence length (a measure of the chain's bending rigidity) of 20 angstroms. Force hysteresis arises from a difference between the unfolding and refolding kinetics of the molecule relative to the stretch and release rates in the experiments, respectively. Scaling the molecular data up to sarcomeric dimensions reproduced many features of the passive force versus extension curve of muscle fibers. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Science |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
276 |
|
Part Detail:issue |
|
|
Part Number |
5315 |
|
Extent(unit="pages") |
|
|
Start |
1112 |
|
End |
1116 |
|
Genre(marcgt) |
periodical |
| Identifier | kel97 |
| Identifier:DOI | 10.1126/science.276.5315.1112 |
| Location | |
|
URL |
http://www.sciencemag.org/cgi/content/abstract/276/5315/1112 |
|
URL |
http://dx.doi.org/10.1126/science.276.5315.1112 |
| Title Information | |
|
Title |
The Optical Properties of Metal Nanoparticles: The Influence of Size, Shape, and Dielectric Environment |
| Name:Personal | |
|
Name Part:given |
K. Lance |
|
Name Part:family |
Kelly |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Eduardo |
|
Name Part:family |
Coronado |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Lin Lin |
|
Name Part:family |
Zhao |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
George C. |
|
Name Part:family |
Schatz |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The optical properties of metal nanoparticles have long been of interest in physical chemistry, starting with Faraday's investigations of colloidal gold in the middle 1800s. More recently, new lithographic techniques as well as improvements to classical wet chemistry methods have made it possible to synthesize noble metal nanoparticles with a wide range of sizes, shapes, and dielectric environments. In this feature article, we describe recent progress in the theory of nanoparticle optical properties, particularly methods for solving Maxwell's equations for light scattering from particles of arbitrary shape in a complex environment. Included is a description of the qualitative features of dipole and quadrupole plasmon resonances for spherical particles; a discussion of analytical and numerical methods for calculating extinction and scattering cross-sections, local fields, and other optical properties for nonspherical particles; and a survey of applications to problems of recent interest involving triangular silver particles and related shapes. |
| Subject | |
|
Topic |
enhanced raman-scattering |
|
Topic |
discrete-dipole approximation |
|
Topic |
surface-plasmon resonance |
|
Topic |
nanosphere lithography |
|
Topic |
silver nanoparticles |
|
Topic |
electromagnetic theory |
|
Topic |
2nd-harmonic generation |
|
Topic |
spheroidal particles |
|
Topic |
colloid clusters |
|
Topic |
rough surfaces |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Phys. Chem. B |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
107 |
|
Part Detail:issue |
|
|
Part Number |
3 |
|
Extent(unit="pages") |
|
|
Start |
668 |
|
End |
677 |
|
Genre(marcgt) |
periodical |
| Identifier | kel03 |
| Identifier:DOI | 10.1021/jp026731y |
| Location | |
|
URL |
http://dx.doi.org/10.1021/jp026731y |
| Title Information | |
|
Title |
Surface enhanced Raman scattering (SERS) by molecules adsorbed at spherical particles: errata |
| Name:Personal | |
|
Name Part:given |
Milton |
|
Name Part:family |
Kerker |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Dau-Sing |
|
Name Part:family |
Wang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
H. |
|
Name Part:family |
Chew |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | A model for Raman scattering by a molecule adsorbed at the surface of a spherical particle is articulated by treating the molecule as a classical electric dipole. This follows Moskovits's suggestion [J. Chem. Phys. 69, 4159 (1978)] and the experiments by Creighton et al. [J. Chem. Soc. Faraday Trans. II, 75, 790 (1979)] that such a system may exhibit SERS similar to that at roughened electrode surfaces. The molecule is stimulated by a primary field comprised of the incident and near-scattered fields. Emission consists of the dipole field plus a scattered field, each at the shifted frequency. Addition of feedback terms between the dipole and the particle makes only a negligible contribution to the fields. For pyridine adsorbed at the surface of a silver sphere, the 1010-cm-1 band is enhanced by -106 if the radius is much less than the wavelengths and the excitation wavelength is -382 nm, a wavelength for which the relative refractive index of silver is close to m = \/2i. Detailed results are given for the effect upon the angular distribution and the polarization of the Raman emission of particle size, distance from the surface, excitation wavelength, and location of the molecule upon the surface. These results simulate those observed at roughened silver electrodes and suggest that the mechanism of SERS at those electrodes may resemble the electromagnetic mechanism elucidated here. We predict that comparable effects should be observed for fluorescent scattering. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Appl. Opt. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
19 |
|
Part Detail:issue |
|
|
Part Number |
24 |
|
Extent(unit="pages") |
|
|
Start |
4159 |
|
Genre(marcgt) |
periodical |
| Identifier | ker80 |
| Location | |
|
URL |
http://ao.osa.org/abstract.cfm?URI=ao-19-24-4159 |
| Title Information | |
|
Title |
Control of Gold Nanoparticle Aggregates by Manipulation of Interparticle Interaction |
| Name:Personal | |
|
Name Part:given |
Taehoon |
|
Name Part:family |
Kim |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Kangtaek |
|
Name Part:family |
Lee |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Myoung-seon |
|
Name Part:family |
Gong |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Sang-Woo |
|
Name Part:family |
Joo |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The size of gold nanoparticle aggregates was controlled by manipulating the interparticle interaction. To manipulate the interparticle interaction of gold nanoparticles prepared by citrate reduction, we applied the substitutive adsorption of benzyl mercaptan on the particle surface in the absence of the cross-linking effect. Various experimental techniques such as UV-vis absorption spectroscopy, surface-enhanced Raman scattering, quasi-elastic light scattering, and zeta-potential measurement were used to characterize the nanoparticle aggregates. Our results suggest that the replacement of the trivalent citrate ions adsorbed on the nanoparticle surface with monovalent benzyl mercaptan ions should destabilize the particles, causing aggregation and hence the increase in the size of nanoparticle aggregates. These experimental results were successfully rationalized by the classical DLVO (Derjaguin-Landau-Vervey-Overbeek) theory that describes the interparticle interaction and colloidal stability in solution. Our findings suggest that the control of surface potential is crucial in the design of stable gold nanoparticle aggre |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Langmuir |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
21 |
|
Part Detail:issue |
|
|
Part Number |
21 |
|
Extent(unit="pages") |
|
|
Start |
9524 |
|
End |
9528 |
|
Genre(marcgt) |
periodical |
| Identifier | kim05 |
| Identifier:DOI | 10.1021/la0504560 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/la0504560 |
| Title Information | |
|
Title |
Classical decay rates for molecules in the presence of a spherical surface: A complete treatment |
| Name:Personal | |
|
Name Part:given |
Young Sik |
|
Name Part:family |
Kim |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
P. T. |
|
Name Part:family |
Leung |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Thomas F. |
|
Name Part:family |
George |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | A comprehensive treatment of the classical decay rates for a molecule in the vicinity of a spherical surface is presented through the application of the work of van der Pol and Bremmer and that of Fock. This theory takes full advantage of the Hertz vector formalism, which is mathematically simpler than the widely-adapted Lorenz-Mie approach which uses the complicated vector harmonic expansions. Results are obtained for both radiative and nonradiative transfer when the molecule is located outside or inside the surface. Numerical results are given for the cases of a surface, cavity and aerosol, and comparison with other works is made. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Surf. Sci. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
195 |
|
Part Detail:issue |
|
|
Part Number |
1-2 |
|
Extent(unit="pages") |
|
|
Start |
1 |
|
End |
14 |
|
Genre(marcgt) |
periodical |
| Identifier | kim88a |
| Identifier:DOI | 10.1016/0039-6028(88)90776-5 |
| Location | |
|
URL |
http://dx.doi.org/10.1016/0039-6028(88)90776-5 |
| Title Information | |
|
Title |
Remark on the morphology-dependent resonance in the decay rate spectrum for molecules near a spherical surface |
| Name:Personal | |
|
Name Part:given |
Young Sik |
|
Name Part:family |
Kim |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
P. T. |
|
Name Part:family |
Leung |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Thomas F. |
|
Name Part:family |
George |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | It is known that in the decay rate spectrum for molecules near a spherical surface, an extra morphology-dependent resonance structure appears in addition to the usual surface plasmon resonance ($\omega_{sp}\approx{\omega_p}^{\mathrm{bulk}}/\sqrt{3}$). {H}ere an alternative but more physical interpretation of these peaks is given, where it is seen that the morphology-dependent peak can be described only in a dynamic retarded theory. |
| Related Item:Host | |
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Title Information |
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Title |
Chem. Phys. Lett. |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
152 |
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Part Detail:issue |
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Part Number |
6 |
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Extent(unit="pages") |
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|
Start |
453 |
|
End |
456 |
|
Genre(marcgt) |
periodical |
| Identifier | kim88b |
| Identifier:DOI | 10.1016/0009-2614(88)80440-8 |
| Location | |
|
URL |
http://dx.doi.org/10.1016/0009-2614(88)80440-8 |
| Title Information | |
|
Title |
Time Resolved Fluorescence Measurements of Fluorophores Close to Metal Nanoparticles |
| Name:Personal | |
|
Name Part:given |
Thomas A. |
|
Name Part:family |
Klar |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Eric |
|
Name Part:family |
Dulkeith |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Jochen |
|
Name Part:family |
Feldmann |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre(bibtex) | incollection |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Radiative Decay Engineering |
|
Name:Personal |
|
|
Name Part:given |
C. D. |
|
Name Part:family |
Geddes |
|
Role |
|
|
Role Term:Text |
editor |
|
Name:Personal |
|
|
Name Part:given |
J. R. |
|
Name Part:family |
Lakowicz |
|
Role |
|
|
Role Term:Text |
editor |
|
Type of Resource |
text |
|
Genre |
book |
|
Origin Information |
|
|
Publisher |
Springer, Berlin |
|
Date Issued(encoding="marc") |
2005 |
|
Issuance |
monographic |
|
Part |
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|
Physical Description |
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Form(marcform) |
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Related Item:series |
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|
Title Information |
|
|
Title |
Topics in Fluorescence Spectroscopy |
|
Part |
|
|
Part Detail:volume |
|
| Identifier | bookkla04 |
| Identifier:ISSN |<PHONE_NUMBER> |
| Title Information | |
|
Title |
Surface-Plasmon Resonances in Single Metallic Nanoparticles |
| Name:Personal | |
|
Name Part:given |
T. |
|
Name Part:family |
Klar |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. |
|
Name Part:family |
Perner |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
S. |
|
Name Part:family |
Grosse |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
G. |
|
Name Part:family |
von Plessen |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
W. |
|
Name Part:family |
Spirkl |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
J. |
|
Name Part:family |
Feldmann |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Using a near-field optical antenna effect, we measure the homogeneous line shape of the surface-plasmon resonance in single gold nanoparticles. The surface-plasmon dephasing times extracted from the near-field spectra of the individual particles vary around 8 fs. This mean value agrees with calculations based on Mie theory, which neglect surface effects. Deviations of individual particles from this value are interpreted as being due to variations in the local nanoenvironment. We also observe double-peaked line shapes caused by electromagnetic coupling between close-lying particles. |
| Related Item:Host | |
|
Title Information |
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|
Title |
Phys. Rev. Lett. |
|
Origin Information |
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|
Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
80 |
|
Part Detail:issue |
|
|
Part Number |
19 |
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Extent(unit="pages") |
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|
Start |
4249 |
|
End |
4252 |
|
Genre(marcgt) |
periodical |
| Identifier | kla98 |
| Identifier:DOI | 10.1103/PhysRevLett.80.4249 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRL/v80/p4249 |
|
URL |
http://dx.doi.org/10.1103/PhysRevLett.80.4249 |
| Title Information | |
|
Title |
Inhibited Spontaneous Emission |
| Name:Personal | |
|
Name Part:given |
Daniel |
|
Name Part:family |
Kleppner |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The radiative properties of an atom in a cavity differ fundamentally from the atom's radiative properties in free space. Spontaneous emission is inhibited if the cavity has characteristic dimensions which are small compared to the radiation wavelength, and enhanced if the cavity is resonant. The cavity causes slight shifts in the energies of the atom, analogous to radiative shifts. Experiments are proposed for observing these effects. |
| Related Item:Host | |
|
Title Information |
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|
Title |
Phys. Rev. Lett. |
|
Origin Information |
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|
Issuance |
continuing |
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Part |
|
|
Part Detail:volume |
|
|
Part Number |
47 |
|
Part Detail:issue |
|
|
Part Number |
4 |
|
Extent(unit="pages") |
|
|
Start |
233 |
|
End |
236 |
|
Genre(marcgt) |
periodical |
| Identifier | kle81 |
| Identifier:DOI | 10.1103/PhysRevLett.47.233 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRL/v47/p233 |
|
URL |
http://dx.doi.org/10.1103/PhysRevLett.47.233 |
| Title Information | |
|
Title |
Optical Probes for Biological Applications Based on Surface-Enhanced Raman Scattering from Indocyanine Green on Gold Nanoparticles |
| Name:Personal | |
|
Name Part:given |
Janina |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
William L. |
|
Name Part:family |
Rice |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We report surface-enhanced Raman scattering (SERS) studies on indocyanine green (ICG) on colloidal silver and gold and demonstrate a novel optical probe for applications in living cells. In addition to its own detection by the characteristic ICG SERS signatures, the ICG gold nanoprobe delivers spatially localized chemical information from its biological environment by employing SERS in the local optical fields of the gold nanoparticles. The probe offers the potential to increase the spectral specificity and selectivity of current chemical characterization approaches of living cells and biomaterials based on vibrational information. |
| Subject | |
|
Topic |
single living cells |
|
Topic |
in-vivo |
|
Topic |
spectroscopy |
|
Topic |
dna |
|
Topic |
chromosomes |
|
Topic |
dyes |
| Related Item:Host | |
|
Title Information |
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|
Title |
Anal. Chem. |
|
Origin Information |
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|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
77 |
|
Part Detail:issue |
|
|
Part Number |
8 |
|
Extent(unit="pages") |
|
|
Start |
2381 |
|
End |
2385 |
|
Genre(marcgt) |
periodical |
| Identifier | kne05 |
| Identifier:DOI | 10.1021/ac050109v |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ac050109v |
| Title Information | |
|
Title |
SERS signals at the anti Stokes side of the excitation laser in extremely high local optical fields of silver and gold nanoclusters |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Surface-enhanced anti-Stokes Raman scattering from pumped excited vibrational levels and surface-enhanced hyper Raman scattering show a quadratic dependence on the excitation intensity and are discussed as incoherent two-photon excited Raman processes performed in strongly enhanced local optical fields of silver-or gold nanoclusters, where both effects can experience very similar electromagnetic enhancement conditions. |
| Subject | |
|
Topic |
ENHANCED RAMAN-SCATTERING |
|
Topic |
SINGLE-MOLECULE DETECTION |
|
Topic |
CARBON NANOTUBES |
|
Topic |
SPECTROSCOPY |
|
Topic |
CLUSTERS |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Faraday Discuss. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
132 |
|
Extent(unit="pages") |
|
|
Start |
27 |
|
End |
33 |
|
Genre(marcgt) |
periodical |
| Identifier | kne06a |
| Identifier:DOI | 10.1039/b507063p |
| Location | |
|
URL |
http://dx.doi.org/10.1039/b507063p |
| Title Information | |
|
Title |
Surface-enhanced Raman scattering and biophysics |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Irving |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramachandra R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michael S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Surface-enhanced Raman scattering (SERS) is a spectroscopic technique which combines modern laser spectroscopy with the exciting optical properties of metallic nanostructures, resulting in strongly increased Raman signals when molecules are attached to nanometre-sized gold and silver structures. The effect provides the structural information content of Raman spectroscopy together with ultrasensitive detection limits, allowing Raman spectroscopy of single molecules. Since SERS takes place in the local fields of metallic nanostructures, the lateral resolution of the technique is determined by the confinement of the local fields, which can be two orders of magnitude better than the diffraction limit. Moreover, SERS is an analytical technique, which can give information on surface and interface processes. SERS opens up exciting opportunities in the field of biophysical and biomedical spectroscopy, where it provides ultrasensitive detection and characterization of biophysically/biomedically relevant molecules and processes as well as a vibrational spectroscopy with extremely high spatial resolution. The article briefly introduces the SERS effect and reviews contemporary SERS studies in biophysics/biochemistry and in life sciences. Potential and limitations of the technique are briefly discussed. |
| Related Item:Host | |
|
Title Information |
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|
Title |
J. Phys.: Condens. Matter |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
14 |
|
Extent(unit="pages") |
|
|
Start |
R597 |
|
End |
R624 |
|
Genre(marcgt) |
periodical |
| Identifier | kne02 |
| Identifier:DOI | 10.1088/0953-8984/14/18/202 |
| Location | |
|
URL |
http://stacks.iop.org/0953-8984/14/R597 |
|
URL |
http://dx.doi.org/10.1088/0953-8984/14/18/202 |
| Title Information | |
|
Title |
Ultrasensitive Chemical Analysis by Raman Spectroscopy |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Irving |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramachandra R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michael S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | No Abstract. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Chem. Rev. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
99 |
|
Part Detail:issue |
|
|
Part Number |
10 |
|
Extent(unit="pages") |
|
|
Start |
2957 |
|
End |
2976 |
|
Genre(marcgt) |
periodical |
| Identifier | kne99 |
| Identifier:DOI | 10.1021/cr980133r |
| Location | |
|
URL |
http://dx.doi.org/10.1021/cr980133r |
| Title Information | |
|
Title |
Detection and identification of a single DNA base molecule using surface-enhanced Raman scattering (SERS) |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
V. Bhaskaran |
|
Name Part:family |
Kartha |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramasamy |
|
Name Part:family |
Manoharan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Geurt |
|
Name Part:family |
Deinum |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Irving |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramachandra R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michael S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Nonresonant Raman cross sections of 10^-16 cm2 per molecule are shown to be related to surface-enhanced Raman scattering (SERS) on colloidal silver clusters at near-infrared (NIR) excitation. The enhancement is found to be independent of cluster sizes between 100 nm and 20 µm. These experimental findings demonstrate that NIR SERS on colloidal silver clusters is an excellent technique for single molecule detection that is applicable for a broad range of molecules including "colorless" biomolecules, for example nucleotides in DNA sequencing. As an example, we present the detection of a single adenine molecule without any labeling based on its intrinsic surface-enhanced Raman scattering. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Phys. Rev. E |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
57 |
|
Part Detail:issue |
|
|
Part Number |
6 |
|
Extent(unit="pages") |
|
|
Start |
R6281 |
|
End |
R6284 |
|
Genre(marcgt) |
periodical |
| Identifier | kne98a |
| Identifier:DOI | 10.1103/PhysRevE.57. R6281 |
| Location | |
|
URL |
http://dx.doi.org/10.1103/PhysRevE.57. R6281 |
| Title Information | |
|
Title |
Surface-enhanced Raman scattering in local optical fields of silver and gold nanoaggregates - From single-molecule Raman spectroscopy to ultrasensitive probing in live cells |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Janina |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | This Account discusses surface-enhanced Raman scattering at extremely high enhancement levels that can occur for molecules attached to silver and gold nanoclusters. Strongly enhanced and highly confined local optical fields enable surface-enhanced Stokes and anti-Stokes Raman spectroscopy of single molecules even under nonresonant excitation conditions as well as extremely large effective cross sections in two-photon excited Raman spectroscopy. The ability for very sensitive and spatially confined molecular structural probing makes gold and silver nanoclusters very promising tools for studies of small structures in biological materials, such as cellular compartments. |
| Subject | |
|
Topic |
colloidal silver |
|
Topic |
rhodamine 6g |
|
Topic |
carbon nanotubes |
|
Topic |
clusters |
|
Topic |
particle |
|
Topic |
microspectroscopy |
|
Topic |
electrode |
|
Topic |
pyridine |
|
Topic |
size |
|
Topic |
sers |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Acc. Chem. Res. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
39 |
|
Part Detail:issue |
|
|
Part Number |
7 |
|
Extent(unit="pages") |
|
|
Start |
443 |
|
End |
450 |
|
Genre(marcgt) |
periodical |
| Identifier | kne06 |
| Identifier:DOI | 10.1021/ar050107x S0001-4842(05)00107-X |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ar050107x S0001-4842(05)00107-X |
| Title Information | |
|
Title |
Extremely large enhancement factors in surface-enhanced Raman scattering for molecules on colloidal gold clusters |
| Name:Personal | |
|
Name Part:given |
K. |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
H. |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
R. |
|
Name Part:family |
Manoharan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
E. B. |
|
Name Part:family |
Hanlon |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
I. |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
R. R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | In agreement with previous results reported for colloidal silver clusters, effective surface-enhanced Raman cross sections of about 10-(16) cm(2) per molecule, corresponding to enhancement factors on the order of 10(14), have also been obtained for molecules attached to colloidal gold clusters. Spatially isolated nearly spherical colloidal gold particles of about 60 nm size show maximum enhancement factors on the order of 10(3) at 514 nm excitation, close to the single plasmon resonance. The enhancement factor increases by eleven orders of magnitude when colloidal gold clusters are formed by aggregation of the gold colloids and when near-infrared excitation is applied. The large effective surface-enhanced Raman cross section has been estimated by a straightforward method based on steady-state population redistribution due to the pumping of molecules to the first excited vibrational state via the strongly enhanced Raman process. Our experimental finding confirms the important role of colloidal clusters for extremely large surface-enhanced Raman scattering (SERS) enhancement factors. Simultaneously, it suggests colloidal gold clusters as a substrate for high-sensitivity surface-enhanced Raman scattering, which can provide an enhancement level sufficient for Raman single molecule detection. Due to its chemical inactivity, gold might have some advantages compared to silver, particularly in biomedical spectroscopy. |
| Subject | |
|
Topic |
sers |
|
Topic |
excitation |
|
Topic |
silver |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Appl. Spectrosc. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
52 |
|
Part Detail:issue |
|
|
Part Number |
12 |
|
Extent(unit="pages") |
|
|
Start |
1493 |
|
End |
1497 |
|
Genre(marcgt) |
periodical |
| Identifier | kne98 |
| Identifier:DOI | 10.1366/0003702981943059 |
| Location | |
|
URL |
http://dx.doi.org/10.1366/0003702981943059 |
| Title Information | |
|
Title |
Population pumping of excited vibrational states by spontaneous surface-enhanced Raman scattering |
| Name:Personal | |
|
Name Part:given |
Katrin |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Yang |
|
Name Part:family |
Wang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Harald |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Irving |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramachandra R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michael S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We observed significant transfer of ground state population to the first excited vibrational state by spontaneous surface-enhanced Raman scattering (SERS) which can be explained by unexpectedly large SERS cross sections. Evidence for this pumping includes (i) anti-Stokes to Stokes ratios which exceed those expected from a Boltzmann distribution, (ii) a quadratic dependence of the anti-Stokes signal on the excitation intensity, whereas the Stokes signal remains linearly dependent, and (iii) a component of nu = 1 to nu = 2 Raman transitions in the SERS Stokes signals. |
| Subject | |
|
Topic |
SERS |
|
Topic |
Population pumping |
| Related Item:Host | |
|
Title Information |
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|
Title |
Phys. Rev. Lett. |
|
Origin Information |
|
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Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
76 |
|
Part Detail:issue |
|
|
Part Number |
14 |
|
Extent(unit="pages") |
|
|
Start |
2444 |
|
End |
2447 |
|
Genre(marcgt) |
periodical |
| Identifier | kne96 |
| Identifier:DOI | 10.1103/PhysRevLett.76.2444 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRL/v76/p2444 |
|
URL |
http://dx.doi.org/10.1103/PhysRevLett.76.2444 |
| Title Information | |
|
Title |
Single molecule detection using surface-enhanced Raman scattering (SERS) |
| Name:Personal | |
|
Name Part:given |
K. |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Y. |
|
Name Part:family |
Wang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
H. |
|
Name Part:family |
Kneipp |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
L. T. |
|
Name Part:family |
Perelman |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
I. |
|
Name Part:family |
Itzkan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
R. |
|
Name Part:family |
Dasari |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. S. |
|
Name Part:family |
Feld |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | By exploiting the extremely large effective cross sections ( 10^-17 to 10^-16 cm2/molecule) available from surface-enhanced Raman scattering (SERS), we achieved the first observation of single molecule Raman scattering. Measured spectra of a single crystal violet molecule in aqueous colloidal silver solution using one second collection time and about 2×10^5 W/cm2 nonresonant near-infrared excitation show a clear "fingerprint" of its Raman features between 700 and 1700 cm-1. Spectra observed in a time sequence for an average of 0.6 dye molecule in the probed volume exhibited the expected Poisson distribution for actually measuring 0, 1, 2, or 3 molecules. |
| Related Item:Host | |
|
Title Information |
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|
Title |
Phys. Rev. Lett. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
78 |
|
Part Detail:issue |
|
|
Part Number |
9 |
|
Extent(unit="pages") |
|
|
Start |
1667 |
|
End |
1670 |
|
Genre(marcgt) |
periodical |
| Identifier | kne97 |
| Identifier:DOI | 10.1103/PhysRevLett.78.1667 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRL/v78/p1667 |
|
URL |
http://dx.doi.org/10.1103/PhysRevLett.78.1667 |
| Title Information | |
|
Title |
Probes for Detection of Specific DNA Sequences at the Single-Molecule Level |
| Name:Personal | |
|
Name Part:given |
Jens-Peter |
|
Name Part:family |
Knemeyer |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Nicole |
|
Name Part:family |
Marmé |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Markus |
|
Name Part:family |
Sauer |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | A method has been developed for highly sensitive detection of specific DNA sequences in a homogeneous assay using labeled oligonucleotide molecules in combination with single-molecule photon burst counting and identification. The fluorescently labeled oligonucleotides are called smart probes because they report the presence of complementary target sequences by a strong increase in fluorescence intensity. The smart probes consist of a fluorescent dye attached at the terminus of a hairpin oligonucleotide. The presented technique takes advantage of the fact that the used oxazine dye JA242 is efficiently quenched by complementary guanosine residues. Upon specific hybridization to the target DNA, the smart probe undergoes a conformational change that forces the fluorescent dye and the guanosine residues apart, thereby increasing the fluorescence intensity about six fold in ensemble measurements. To increase the detection sensitivity below the nanomolar range, a confocal fluorescence microscope was used to observe the fluorescence bursts from individual smart probes in the presence and absence of target DNA as they passed through the focused laser beam. Smart probes were excited by a pulsed diode laser emitting at 635 nm with a repetition rate of 64 MHz. Each fluorescence burst was identified by three independent parameters: (a) the burst size, (b) the burst duration, and (c) the fluorescence lifetime. Through the use of this multiparameter analysis, higher discrimination accuracies between smart probes and hybridized probe-target duplexes were achieved. The presented multiparameter detection technique permits the identification of picomolar target DNA concentrations in a homogeneous assay, i.e., the detection of specific DNA sequences in a 200-fold excess of labeled probe molecules. |
| Subject | |
|
Topic |
fluorescence correlation spectroscopy |
|
Topic |
aqueous-solution |
|
Topic |
mononucleotide molecules |
|
Topic |
electron-transfer |
|
Topic |
identification |
|
Topic |
dye |
|
Topic |
beacons |
|
Topic |
oligonucleotides |
|
Topic |
electrophoresis |
|
Topic |
discrimination |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Anal. Chem. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
72 |
|
Part Detail:issue |
|
|
Part Number |
16 |
|
Extent(unit="pages") |
|
|
Start |
3717 |
|
End |
3724 |
|
Genre(marcgt) |
periodical |
| Identifier | kne00 |
| Identifier:DOI | 10.1021/ac000024o |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ac000024o |
| Title Information | |
|
Title |
Nanoparticle-Mediated Coupling of Light into a Nanowire |
| Name:Personal | |
|
Name Part:given |
M. W. |
|
Name Part:family |
Knight |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Name:Personal | |
|
Name Part:given |
N. K. |
|
Name Part:family |
Grady |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Name:Personal | |
|
Name Part:given |
R. |
|
Name Part:family |
Bardhan |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Name:Personal | |
|
Name Part:given |
F. |
|
Name Part:family |
Hao |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Name:Personal | |
|
Name Part:given |
P. |
|
Name Part:family |
Nordlander |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Name:Personal | |
|
Name Part:given |
N. J. |
|
Name Part:family |
Halas |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Electrical and Computer Engineering, Department of Chemistry, Department of Physics and Astronomy, and the Laboratory for Nanophotonics, Rice University, 6100 Main Street, Houston, Texas 77005 |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We show that a nanoparticle can serve as an efficient antenna for coupling of visible light into propagating plasmons of an Ag nanowire. For long wires, the coupling is maximal for incident light polarized perpendicular to the nanowire. For sub-10-m nanowires, the polarization corresponding to maximum emission from the ends of the nanowire was found to be strongly dependent on the nanowire geometry and position of the vicinal nanoparticle. This nanoparticle antenna-based approach offers a potential strategy for optimizing plasmon coupling into nanoscale metallic waveguides. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Nano Lett. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
7 |
|
Part Detail:issue |
|
|
Part Number |
8 |
|
Extent(unit="pages") |
|
|
Start |
2346 |
|
End |
2350 |
|
Identifier:ISSN |
1530-6984 |
|
Genre(marcgt) |
periodical |
| Identifier | kni07 |
| Identifier:DOI | 10.1021/nl071001t |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl071001t |
| Title Information | |
|
Title |
Beitrag zur geometrischen Elektronenoptik. I |
| Name:Personal | |
|
Name Part:given |
M. |
|
Name Part:family |
Knoll |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
E. |
|
Name Part:family |
Ruska |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Annal. Phys. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
404 |
|
Part Detail:issue |
|
|
Part Number |
5 |
|
Extent(unit="pages") |
|
|
Start |
607 |
|
End |
640 |
|
Genre(marcgt) |
periodical |
| Identifier | kno32 |
| Location | |
|
URL |
http://dx.doi.org/10.1002/andp.19324040506 |
| Title Information | |
|
Title |
Beitrag zur geometrischen Elektronenoptik. II |
| Name:Personal | |
|
Name Part:given |
M. |
|
Name Part:family |
Knoll |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
E. |
|
Name Part:family |
Ruska |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Annalen der Physik |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
404 |
|
Part Detail:issue |
|
|
Part Number |
6 |
|
Extent(unit="pages") |
|
|
Start |
641 |
|
End |
661 |
|
Genre(marcgt) |
periodical |
| Identifier | kno32a |
| Location | |
|
URL |
http://dx.doi.org/10.1002/andp.19324040602 |
| Title Information | |
|
Title |
Sol-Gel Processing of Silica-Coated Gold Nanoparticles |
| Name:Personal | |
|
Name Part:given |
Yoshio |
|
Name Part:family |
Kobayashi |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Miguel A. |
|
Name Part:family |
Correa-Duarte |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Luis M. |
|
Name Part:family |
Liz-Marzán |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Two procedures are presented which allow the homogeneous incorporation of silica-coated gold nanoparticles within transparent silica gels. Both UV-visible absorption spectra and transmission electron microscopy show that there is no aggregation of the metal particles during sol-gel transition. The optical properties of the gels are compared with those of the starting sols and interpreted on the basis of the porous structure of the gels and standard optical theories. Evidence is also shown of the potential of these methods for the preparation of gels with different particle sizes and shapes as well as with very high nanoparticle concentrations, which can be useful for several applications. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Langmuir |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
17 |
|
Part Detail:issue |
|
|
Part Number |
20 |
|
Extent(unit="pages") |
|
|
Start |
6375 |
|
End |
6379 |
|
Genre(marcgt) |
periodical |
| Identifier | kob01 |
| Identifier:DOI | 10.1021/la010736p |
| Location | |
|
URL |
http://dx.doi.org/10.1021/la010736p |
| Title Information | |
|
Title |
Van-der-Waals-Wechselwirkung und DLVO-Theorie |
| Name:Personal | |
|
Name Part:given |
H.-H. |
|
Name Part:family |
Kohler |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre(bibtex) | misc |
| Origin Information | |
|
Date Issued(encoding="marc") |
2006 |
|
Issuance |
monographic |
| Physical Description | |
|
Form(marcform) |
|
| Identifier | scriptkoh06 |
| Location | |
|
URL |
http://www-analytik.chemie.uni-regensburg.de/hahe-doc/gf2/06grf-c.pdf |
| Title Information | |
|
Title |
Preparation and Optical Absorption Spectra of Dye-Coated Au, Ag, and Au/Ag Colloidal Nanoparticles in Aqueous Solutions and in Alternate Assemblies |
| Name:Personal | |
|
Name Part:given |
Noritsugu |
|
Name Part:family |
Kometani |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Makoto |
|
Name Part:family |
Tsubonishi |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Takeshi |
|
Name Part:family |
Fujita |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Kenji |
|
Name Part:family |
Asami |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Yoshiro |
|
Name Part:family |
Yonezawa |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Au, Ag, and Au/Ag colloidal nanoparticles coated with the J-aggregate of an anionic cyanine dye, 3,3'-disulfopropyl-5,5'-dichlorothiacyanine sodium salt (TC), have been prepared for the first time. The absorption spectrum of TC-coated Au colloidal nanoparticles is not a simple sum of the contributions of colloidal gold and TC but is characterized by an evident absorption dip at the position corresponding to the J-band of TC. These spectral features are reproduced by the simulation based on the Maxwell-Garnett-type treatment of Gao et al. The alternate adsorption technique allowed us to deposit dye-coated Au/Ag composite nanoparticles at the surface of a cationic polymer, poly(diallyldimethylammonium chroride). |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Langmuir |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
106 |
|
Part Detail:issue |
|
|
Part Number |
1 |
|
Extent(unit="pages") |
|
|
Start |
18 |
|
End |
21 |
|
Genre(marcgt) |
periodical |
| Identifier | kom01 |
| Identifier:DOI | 10.1021/jp0134695 |
| Location | |
|
URL |
http://pubs.acs.org/cgi-bin/abstract.cgi/langd5/2001/17/i03/abs/la0013190.html |
|
URL |
http://dx.doi.org/10.1021/jp0134695 |
| Title Information | |
|
Title |
Optical near-field enhancement at a metal tip probed by a single fluorophore |
| Name:Personal | |
|
Name Part:given |
A. |
|
Name Part:family |
Kramer |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
W. |
|
Name Part:family |
Trabesinger |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
B. |
|
Name Part:family |
Hecht |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
U. P. |
|
Name Part:family |
Wild |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The optical near-field in the vicinity of a metal tip is mapped using a single-molecule optical probe. We observe an enhancement of the fluorescence signal by a factor of 5.7±0.3, clearly larger than the fourfold enhancement that can arise from constructive interference if the tip acts as a simple mirror. Considering the tip apex as a nanoparticle of nonregular shape, we suggest that, in the case of gold tips, the enhancement is due to resonant plasmon excitation. Consistently, no enhancement has been observed using Pt/Ir tips. |
| Subject | |
|
Topic |
gold |
|
Topic |
platinum |
|
Topic |
iridium |
|
Topic |
fluorescence |
|
Topic |
optical microscopy |
|
Topic |
scanning probe microscopy |
|
Topic |
nanostructured materials |
|
Topic |
surface plasmon resonance |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Appl. Phys. Lett. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
80 |
|
Part Detail:issue |
|
|
Part Number |
9 |
|
Extent(unit="pages") |
|
|
Start |
1652 |
|
End |
1654 |
|
Genre(marcgt) |
periodical |
| Identifier | kra02 |
| Identifier:DOI | 10.1063/1.1453479 |
| Location | |
|
URL |
http://dx.doi.org/10.1063/1.1453479 |
| Title Information | |
|
Title |
Optical properties of metal clusters |
| Name:Personal | |
|
Name Part:given |
Uwe |
|
Name Part:family |
Kreibig |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michael |
|
Name Part:family |
Vollmer |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre(bibtex) | book |
| Origin Information | |
|
Publisher |
Springer, Berlin u.a. |
|
Date Issued(encoding="marc") |
1995 |
|
Issuance |
monographic |
| Physical Description | |
|
Form(marcform) |
|
| Related Item:series | |
|
Title Information |
|
|
Title |
Springer series in materials science |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
25 |
| Identifier | bookkre95 |
| Identifier:ISSN |<PHONE_NUMBER>361 |
| Title Information | |
|
Title |
Efficient Raman Enhancement and Intermittent Light Emission Observed in Single Gold Nanocrystals |
| Name:Personal | |
|
Name Part:given |
John T. |
|
Name Part:family |
Krug |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Geoffrey D. |
|
Name Part:family |
Wang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Steven R. |
|
Name Part:family |
Emory |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Shuming |
|
Name Part:family |
Nie |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | This paper reports two fundamental observations on the size-dependent optical properties of colloidal gold nanoparticles. First, faceted gold nanocrystals in the size range of 63 ± 3 nm have been found to be highly efficient for surface-enhanced Raman scattering (SERS). These nanocrystals are identified from a heterogeneous population for large optical enhancement at 647-nm laser excitation. Second, spatially isolated single gold particles emit Stokes-shifted Raman photons in an intermittent on-and-off fashion. In contrast to population-averaged studies, blinking surface-enhanced Raman scattering is a signature of single-particle (or even single-molecule) behavior. By directly measuring optical enhancement and time-resolved emission on single nanoparticles, this work opens new possibilities in studying the mechanisms of SERS, in developing metal tips for near-field optical microscopy, and in designing new nanostructured materials. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Am. Chem. Soc. |
|
Origin Information |
|
|
Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
121 |
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Part Detail:issue |
|
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Part Number |
39 |
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Extent(unit="pages") |
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Start |
9208 |
|
End |
9214 |
|
Genre(marcgt) |
periodical |
| Identifier | kru99 |
| Identifier:DOI | 10.1021/ja992058n |
| Location | |
|
URL |
http://dx.doi.org/10.1021/ja992058n |
| Title Information | |
|
Title |
Classical Aspects of Energy Transfer in Molecular Systems |
| Name:Personal | |
|
Name Part:given |
Hans |
|
Name Part:family |
Kuhn |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The decay time of the luminescence of a molecule S in front of a metal mirror depends markedly on its distance from the mirror. This phenomenon is quantitatively explained by considering the radiation field of this dipole, given by Hertz classical equation. This field arrives at the molecule, after being reflected at the mirror, with a retardation of the order of 10-15 sec. The decay time of the luminescence depends on the phase shift produced by this retardation, and thus on the ratio of the distance of the oscillator from the mirror, and the wavelength of the emitted light. By measuring the distance dependence of the decay time of the luminescence this retardation effect can be studied. In quantum-mechanical terms the phenomenon can be described as being due to a stimulation or inhibition of the emission of the light quantum. In contrast to the known cases of stimulated emission, the stimulating field is the radiation field of the emitter quantum itself. The energy transfer from an excited molecule S to an acceptor A can be treated in a similar manner by considering the phenomenon as a retardation effect. In classical terms the field of S induces A to oscillate, and the induced field of A arriving at S slows down this oscillator. Simple equations are given for the energy transfer from an excited dipole or quadrupole, and for a row of many dipoles, oscillating in phase, to a weakly absorbing acceptor layer. The latter case is considered as a model for a J-aggregating dye and by comparison with experimental data conclusions concerning the size of a J aggregate are drawn. |
| Related Item:Host | |
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Title Information |
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Title |
J. Chem. Phys. |
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Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
53 |
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Part Detail:issue |
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Part Number |
1 |
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Extent(unit="pages") |
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|
Start |
101 |
|
End |
108 |
|
Genre(marcgt) |
periodical |
| Identifier | kuh70 |
| Identifier:DOI | 10.1063/1.1673749 |
| Location | |
|
URL |
http://link.aip.org/link/?JCPSA6/53/101/1 |
|
URL |
http://dx.doi.org/10.1063/1.1673749 |
| Title Information | |
|
Title |
Enhancement of Single-Molecule Fluorescence Using a Gold Nanoparticle as an Optical Nanoantenna |
| Name:Personal | |
|
Name Part:given |
Sergei |
|
Name Part:family |
Kuhn |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ulf |
|
Name Part:family |
Hkanson |
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Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Lavinia |
|
Name Part:family |
Rogobete |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Vahid |
|
Name Part:family |
Sandoghdar |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
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|
Title |
Phys. Rev. Lett. |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
97 |
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Part Detail:issue |
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Part Number |
1 |
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Extent(unit="pages") |
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Start |
017402 |
|
Genre(marcgt) |
periodical |
| Identifier | kuh06 |
| Identifier:DOI | 10.1103/PhysRevLett.97.017402 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRL/v97/e017402 |
|
URL |
http://dx.doi.org/10.1103/PhysRevLett.97.017402 |
| Title Information | |
|
Title |
Enhanced Luminescence of CdSe Quantum Dots on Gold Colloids |
| Name:Personal | |
|
Name Part:given |
Olga |
|
Name Part:family |
Kulakovich |
|
Role |
|
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Natalya |
|
Name Part:family |
Strekal |
|
Role |
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Alexandr |
|
Name Part:family |
Yaroshevich |
|
Role |
|
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Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Sergey |
|
Name Part:family |
Maskevich |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Sergey |
|
Name Part:family |
Gaponenko |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Igor |
|
Name Part:family |
Nabiev |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ulrike |
|
Name Part:family |
Woggon |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Mikhail |
|
Name Part:family |
Artemyev |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We have studied the enhancement of luminescence of (CdSe)ZnS core-shell quantum dots on gold colloids as a function of semiconductor nanocrystal-metal nanoparticle distance. Using a layer-by-layer polyelectrolyte deposition technique to insert well-defined spacer layers between gold colloids and quantum dots, a distance-dependent enhancement and quenching of quantum dot photoluminescence has been observed. The maximum enhancement by a factor of 5 is achieved for a 9-layer spacer (11 nm). The efficient quantum dot excitation within the locally enhanced electromagnetic field produced by the gold nanoparticles is evidenced by the observation of the surface plasmon resonance in the photoluminescence excitation spectrum of (CdSe)ZnS nanocrystals. |
| Related Item:Host | |
|
Title Information |
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Title |
Nano Lett. |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
2 |
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Part Detail:issue |
|
|
Part Number |
12 |
|
Extent(unit="pages") |
|
|
Start |
1449 |
|
End |
1452 |
|
Genre(marcgt) |
periodical |
| Identifier | kul02 |
| Identifier:DOI | 10.1021/nl025819k |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl025819k |
| Title Information | |
|
Title |
Single-molecule optics |
| Name:Personal | |
|
Name Part:given |
Florian |
|
Name Part:family |
Kulzer |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Michel |
|
Name Part:family |
Orrit |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Subject | |
|
Topic |
microscopy |
|
Topic |
nano-optics |
|
Topic |
fluorescence resonance energy transfer (FRET) |
|
Topic |
excitons |
|
Topic |
single-molecule spectroscopy |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Ann. Rev. Phys. Chem. |
|
Origin Information |
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|
Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
55 |
|
Part Detail:issue |
|
|
Part Number |
1 |
|
Extent(unit="pages") |
|
|
Start |
585 |
|
End |
611 |
|
Genre(marcgt) |
periodical |
| Identifier | kul04 |
| Identifier:DOI | 10.1146/annurev.physchem.54.011002.103816 |
| Location | |
|
URL |
http://search.epnet.com/login.aspx?direct=true&db=aph&an=14394222&loginpage=Login.asp |
|
URL |
http://dx.doi.org/10.1146/annurev.physchem.54.011002.103816 |
| Title Information | |
|
Title |
{F}ield enhancement and molecular response in surface-enhanced {R}aman scattering and fluorescence spectroscopy |
| Name:Personal | |
|
Name Part:given |
Mikael |
|
Name Part:family |
Käll |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Hongxing |
|
Name Part:family |
Xu |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Peter |
|
Name Part:family |
Johansson |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We present a theoretical analysis of surface-enhanced Raman scattering and fluorescence emission from chromophoric molecules located at electromagnetic ?hot spots? in nanoparticle aggregates. The model combines classical electrodynamic enhancement effects with molecular quantum dynamics and allows us to quantify various molecular cross-sections and spectral properties. For a model molecule that simulates rhodamine 6G, we find that an electromagnetic Raman enhancement of the order of 1010 results in an effective Raman cross-section of the order of 10-14 cm2, in agreement with single-molecule Raman measurements. |
| Subject | |
|
Topic |
field enhancement |
|
Topic |
molecular quantum dynamics |
|
Topic |
plasmons |
|
Topic |
surface-enhanced Raman scattering |
|
Topic |
fluorescence |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Raman Spectrosc. |
|
Origin Information |
|
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Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
36 |
|
Part Detail:issue |
|
|
Part Number |
6-7 |
|
Extent(unit="pages") |
|
|
Start |
510 |
|
End |
514 |
|
Genre(marcgt) |
periodical |
| Identifier | kae05 |
| Identifier:DOI | 10.1002/jrs.1357 |
| Location | |
|
URL |
http://dx.doi.org/10.1002/jrs.1357 |
| Title Information | |
|
Title |
Enhanced dye fluorescence over silver island films: analysis of the distance dependence |
| Name:Personal | |
|
Name Part:given |
J. |
|
Name Part:family |
Kümmerlen |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
A. |
|
Name Part:family |
Leitner |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
H. |
|
Name Part:family |
Brunner |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
F. R. |
|
Name Part:family |
Aussenegg |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
A. |
|
Name Part:family |
Wokaun |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Mol. Phys. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
80 |
|
Part Detail:issue |
|
|
Part Number |
5 |
|
Extent(unit="pages") |
|
|
Start |
1031 |
|
End |
1046 |
|
Genre(marcgt) |
periodical |
| Identifier | kue93 |
| Title Information | |
|
Title |
Radiative decay engineering 5: metal-enhanced fluorescence and plasmon emission |
| Name:Personal | |
|
Name Part:given |
Joseph R. |
|
Name Part:family |
Lakowicz |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Metallic particles and surfaces display diverse and complex optical properties. Examples include the intense colors of noble metal colloids, surface plasmon resonance absorption by thin metal films, and quenching of excited fluorophores near the metal surfaces. Recently, the interactions of fluorophores with metallic particles and surfaces (metals) have been used to obtain increased fluorescence intensities, to develop assays based on fluorescence quenching by gold colloids, and to obtain directional radiation from fluorophores near thin metal films. For metal-enhanced fluorescence it is difficult to predict whether a particular metal structure, such as a colloid, fractal, or continuous surface, will quench or enhance fluorescence. In the present report we suggest how the effects of metals on fluorescence can be explained using a simple concept, based on radiating plasmons (RPs). The underlying physics may be complex but the concept is simple to understand. According to the RP model, the emission or quenching of a fluorophore near the metal can be predicted from the optical properties of the metal structures as calculated from electrodynamics, Mie theory, and/or Maxwell?s equations. For example, according to Mie theory and the size and shape of the particle, the extinction of metal colloids can be due to either absorption or scattering. Incident energy is dissipated by absorption. Far-field radiation is created by scattering. Based on our model small colloids are expected to quench fluorescence because absorption is dominant over scattering. Larger colloids are expected to enhance fluorescence because the scattering component is dominant over absorption. The ability of a metal?s surface to absorb or reflect light is due to wavenumber matching requirements at the metal?sample interface. Wavenumber matching considerations can also be used to predict whether fluorophores at a given distance from a continuous planar surface will be emitted or quenched. These considerations suggest that the so called ?lossy surface waves? which quench fluorescence are due to induced electron oscillations which cannot radiate to the far-field because wavevector matching is not possible. We suggest that the energy from the fluorophores thought to be lost by lossy surface waves can be recovered as emission by adjustment of the sample to allow wavevector matching. The RP model provides a rational approach for designing fluorophore?metal configurations with the desired emissive properties and a basis for nanophotonic fluorophore technology. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Analytical Biochemistry |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
337 |
|
Part Detail:issue |
|
|
Part Number |
2 |
|
Extent(unit="pages") |
|
|
Start |
171 |
|
End |
194 |
|
Genre(marcgt) |
periodical |
| Identifier | lak05 |
| Identifier:DOI | 10.1016/j.ab.2004.11.026 |
| Location | |
|
URL |
http://www.sciencedirect.com/science/article/B6W9V-4F14WBD-4/2/9a147c8381c0c2570673b3a0bebd6e69 |
|
URL |
http://dx.doi.org/10.1016/j.ab.2004.11.026 |
| Title Information | |
|
Title |
Principles of Fluorescence Spectroscopy |
| Name:Personal | |
|
Name Part:given |
Joseph R. |
|
Name Part:family |
Lakowicz |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre(bibtex) | book |
| Origin Information | |
|
Publisher |
Kluwer Academic/Plenum Publishers, New York u. a. |
|
Date Issued(encoding="marc") |
1999 |
|
edition |
2. |
|
Issuance |
monographic |
| Physical Description | |
|
Form(marcform) |
|
| Identifier | booklak99 |
| Identifier:ISSN | 0-306-46093-9 |
| Title Information | |
|
Title |
Advances in Surface-Enhanced Fluorescence |
| Name:Personal | |
|
Name Part:given |
Joseph R. |
|
Name Part:family |
Lakowicz |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Chris D. |
|
Name Part:family |
Geddes |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ignacy |
|
Name Part:family |
Gryczynski |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Joanna |
|
Name Part:family |
Malicka |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Zygmunt |
|
Name Part:family |
Gryczynski |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Kadir |
|
Name Part:family |
Aslan |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Joanna |
|
Name Part:family |
Lukomska |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Evgenia |
|
Name Part:family |
Matveeva |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Jian |
|
Name Part:family |
Zhang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ramachandram |
|
Name Part:family |
Badugu |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Jun |
|
Name Part:family |
Huang |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We report recent achievements in metal-enhanced fluorescence from our laboratory. Several fluorophore systems have been studied on metal particle-coated surfaces and in colloid suspensions. In particular, we describe a distance dependent enhancement on silver island films (SIFs), release of self-quenching of fluorescence near silver particles, and the applications of fluorescence enhancement near metalized surfaces to bioassays. We discuss a number of methods for various shaped silver particle deposition on surfaces. |
| Subject | |
|
Topic |
Silver island films |
|
Topic |
colloids |
|
Topic |
fluorescence |
|
Topic |
nanotechnology |
|
Topic |
radiative decay engineering |
|
Topic |
metal-enhanced fluorescence |
|
Topic |
photonic mode density |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Fluorescence |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
14 |
|
Part Detail:issue |
|
|
Part Number |
4 |
|
Extent(unit="pages") |
|
|
Start |
425 |
|
End |
441 |
|
Genre(marcgt) |
periodical |
| Identifier | lak04 |
| Identifier:DOI | 10.1023/B:JOFL.0000031824.48401.5c |
| Location | |
|
URL |
http://dx.doi.org/10.1023/B:JOFL.0000031824.48401.5c |
| Title Information | |
|
Title |
Radiative Decay Engineering - 2. Effects of Silver Island Films on Fluorescence Intensity, Lifetimes, and Resonance Energy Transfer |
| Name:Personal | |
|
Name Part:given |
Joseph R. |
|
Name Part:family |
Lakowicz |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Yibing |
|
Name Part:family |
Shen |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Sabato |
|
Name Part:family |
D'Auria |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Joanna |
|
Name Part:family |
Malicka |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Jiyu |
|
Name Part:family |
Fang |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Zygmunt |
|
Name Part:family |
Gryczynski |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Ignacy |
|
Name Part:family |
Gryczynski |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Metallic surfaces can have unusual effects on fluorophores such as increasing or decreasing the rates of radiative decay and the rates of resonance energy transfer (RET). In the present article we describe the effects of metallic silver island films on the emission spectra, lifetimes, and energy transfer for several fluorophores. The fluorophores are not covalently coupled to the silver islands so that there are a range of fluorophore-to-metal distances. We show that proximity of fluorophores to the silver islands results in increased fluorescence intensity, with the largest enhancement for the lowest-quantum-yield fluorophores. Importantly, the metal-induced increases in intensity are accompanied by decreased lifetimes and increased photostability. These effects demonstrate that the silver islands have increased the radiative decay rates of the fluorophore. For solvent-sensitive fluorophores the emission spectra shifted to shorted wavelengths in the presence of the silver islands, which is consistent with a decrease of the apparent lifetime for fluorophores near the metal islands. We also observed an increased intensity and blue spectral shift for the protein human glyoxalase, which displays a low quantum yield for its intrinsic tryptophan emission. In this case the blue shift is thought to be due to increased emission from a buried low-quantum-yield tryptophan residue. Increased intensities were also observed for the intrinsic emission of the nucleic acid bases adenine and thymine and for single-stranded 15-mers poly(T) and poly(C). And finally, we observed increased RET for donors and acceptors in solution and when bound to double-helical DNA. These results demonstrate that metallic particles can be used to modify the emission from intrinsic and extrinsic fluorophores in biochemical systems. |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Anal. Biochem. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
301 |
|
Part Detail:issue |
|
|
Part Number |
2 |
|
Extent(unit="pages") |
|
|
Start |
261 |
|
End |
277 |
|
Genre(marcgt) |
periodical |
| Identifier | lak02 |
| Identifier:DOI | 10.1006/abio.2001.5503 |
| Location | |
|
URL |
http://dx.doi.org/10.1006/abio.2001.5503 |
| Title Information | |
|
Title |
Eine neue Erscheinung bei der Lichtzerstreuung in Krystallen |
| Name:Personal | |
|
Name Part:given |
G. |
|
Name Part:family |
Landsberg |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
L. |
|
Name Part:family |
Mandelstam |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Naturwissenschaften |
|
Origin Information |
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continuing |
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Part |
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Part Detail:volume |
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16 |
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Part Detail:issue |
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Part Number |
28 |
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Extent(unit="pages") |
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Start |
557 |
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End |
558 |
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Genre(marcgt) |
periodical |
| Identifier | lan28 |
| Identifier:DOI | 10.1007/BF01506807 |
| Location | |
|
URL |
http://dx.doi.org/10.1007/BF01506807 |
| Title Information | |
|
Title |
Dipolar emitters at nanoscale proximity of metal surfaces: Giant enhancement of relaxation in microscopic theory |
| Name:Personal | |
|
Name Part:given |
Ivan A. |
|
Name Part:family |
Larkin |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Mark I. |
|
Name Part:family |
Stockman |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Marc |
|
Name Part:family |
Achermann |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Victor I. |
|
Name Part:family |
Klimov |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We consider a nanoscale dipolar emitter (quantum dot, atom, fluorescent molecule, or rare-earth ion) in a nanometer proximity to a flat metal surface. There is strong interaction of this emitter with unscreened metal electrons in the surface nanolayer that causes enhanced relaxation due to surface plasmon excitation and Landau damping. To describe these phenomena, we developed analytical theory based on local random-phase approximation. For the system considered, conventional theory based on metal as continuous dielectric fails both qualitatively and quantitatively. Applications of the present theory and related phenomena are discussed. |
| Subject | |
|
Topic |
quantum dots |
|
Topic |
RPA calculations |
|
Topic |
nanostructured materials |
|
Topic |
dielectric function |
|
Topic |
metal clusters |
|
Topic |
surface plasmon resonance |
| Related Item:Host | |
|
Title Information |
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Title |
Phys. Rev. B |
|
Origin Information |
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Issuance |
continuing |
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Part |
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Part Detail:volume |
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Part Number |
69 |
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Extent(unit="pages") |
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|
Start |
121403(R) |
|
Genre(marcgt) |
periodical |
| Identifier | lar04 |
| Identifier:DOI | 10.1103/PhysRevB.69.121403 |
| Location | |
|
URL |
http://link.aps.org/abstract/PRB/v69/e121403 |
|
URL |
http://dx.doi.org/10.1103/PhysRevB.69.121403 |
| Title Information | |
|
Title |
Sensing Characteristics of NIR Localized Surface Plasmon Resonances in Gold Nanorings for Application as Ultrasensitive Biosensors |
| Name:Personal | |
|
Name Part:given |
Elin M. |
|
Name Part:family |
Larsson |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Applied Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden, and iNANO Center, University of Aarhus, Aarhus 8000, Denmark |
| Name:Personal | |
|
Name Part:given |
Joan |
|
Name Part:family |
Alegret |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Applied Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden, and iNANO Center, University of Aarhus, Aarhus 8000, Denmark |
| Name:Personal | |
|
Name Part:given |
Mikael |
|
Name Part:family |
Käll |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Applied Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden, and iNANO Center, University of Aarhus, Aarhus 8000, Denmark |
| Name:Personal | |
|
Name Part:given |
Duncan S. |
|
Name Part:family |
Sutherland |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Department of Applied Physics, Chalmers University of Technology, S-41296 Göteborg, Sweden, and iNANO Center, University of Aarhus, Aarhus 8000, Denmark |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Abstract: The optical responses of 75-150 nm diameter gold nanorings to changes in local refractive index have been quantified by near-infrared extinction spectroscopy and compared to DDA calculations and an analytical approach. The "bulk" refractive index sensitivities of gold nanorings are substantially (>5 times) larger than those of nanodisks with similar diameters. Nanorings retain a significantly larger sensitivity than nanodisks at the same spectral position, demonstrating a clear shape dependence that may correlate to a systematic difference in the influence of the dielectric substrate. The nanoring bulk refractive index sensitivity scales linearly with plasmon peak position. The spectral sensitivity to thin films of alkanethiols gave a shift of 5.2 nm/CH2 unit while bulk sensitivities as high as 880 nm/RIU were observed, the highest such reported sensitivities. Both bulk and thin dielectric film sensitivities correlated well with theory. Real-time label-free monitoring of protein binding via molecular recognition was demonstrated. |
| Related Item:Host | |
|
Title Information |
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|
Title |
Nano Lett. |
|
Origin Information |
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Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
7 |
|
Part Detail:issue |
|
|
Part Number |
5 |
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Extent(unit="pages") |
|
|
Start |
1256 |
|
End |
1263 |
|
Identifier:ISSN |
1530-6984 |
|
Genre(marcgt) |
periodical |
| Identifier | lar07 |
| Identifier:DOI | 10.1021/nl0701612 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/nl0701612 |
| Title Information | |
|
Title |
Vibrational pumping and heating under SERS conditions: fact or myth? |
| Name:Personal | |
|
Name Part:given |
E. C. |
|
Name Part:family |
Le Ru |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
P. G. |
|
Name Part:family |
Etchegoin |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We address in this paper the long debated issue of the possibility of vibrational pumping under Surface Enhanced Raman Scattering (SERS) conditions, both theoretically and experimentally. We revisit with simple theoretical models the mechanisms of vibrational pumping and its relation to heating. This presentation provides a clear classification of the various regimes of heating/ pumping, from simple global laser heating to selective pumping of a single vibrational mode. We also propose the possibility of extreme pumping driven by stimulated phonon emission, and we introduce and apply a new experimental technique to study these effects in SERS. Our method relies on correlations between Raman peak parameters, and cross-correlation for two Raman peaks. We find strong evidence for local and dynamical heating, but no convincing evidence for selective pumping under our specific experimental SERS conditions. |
| Subject | |
|
Topic |
surface-enhanced raman |
|
Topic |
metal-surfaces |
|
Topic |
scattering |
|
Topic |
spectroscopy |
|
Topic |
adsorption |
|
Topic |
molecules |
| Related Item:Host | |
|
Title Information |
|
|
Title |
Faraday Discuss. |
|
Origin Information |
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Issuance |
continuing |
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Part |
|
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Part Detail:volume |
|
|
Part Number |
132 |
|
Extent(unit="pages") |
|
|
Start |
63 |
|
End |
75 |
|
Genre(marcgt) |
periodical |
| Identifier | ler06 |
| Identifier:DOI | 10.1039/b505343a |
| Location | |
|
URL |
http://dx.doi.org/10.1039/b505343a |
| Title Information | |
|
Title |
Mechanisms of Spectral Profile Modification in Surface-Enhanced Fluorescence |
| Name:Personal | |
|
Name Part:given |
E. C. |
|
Name Part:family |
Le Ru |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Name:Personal | |
|
Name Part:given |
P. G. |
|
Name Part:family |
Etchegoin |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Name:Personal | |
|
Name Part:given |
J. |
|
Name Part:family |
Grand |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Name:Personal | |
|
Name Part:given |
N. |
|
Name Part:family |
Felidj |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Name:Personal | |
|
Name Part:given |
J. |
|
Name Part:family |
Aubard |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Name:Personal | |
|
Name Part:given |
G. |
|
Name Part:family |
Levi |
|
Role |
|
|
Role Term:Text |
author |
|
affiliation |
Laboratoire ITODYS, Université Paris 7 - Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F - 75005 Paris, France |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Abstract: We study the importance of an often-overlooked aspect of surface-enhanced fluorescence (SEF): the spectral profile modification (SPM) that should accompany any plasmon-resonance-mediated enhancement or quenching of the fluorescence close to metal surfaces. We argue theoretically and demonstrate experimentally that under SEF conditions the plasmon resonances affect not only the fluorescence intensity (enhancement or quenching) but also its spectral profile, sometimes to a point where the original fluorescence spectrum may no longer be recognizable as such. Moreover, we argue that the modified excited-state decay rate may, under certain conditions, become comparable to the internal relaxation rate. This effect leads to a new fluorescence mechanism, which we call fast-dynamics SEF (FDSEF), where the spectral profile is affected by the relaxation dynamics in the excited state (in addition to the plasmon resonance). Finally, we propose that the so-called surface-enhanced Raman scattering (SERS) continuum may, in many instances, be interpreted in terms of a SPM of the SEF (in its simplest form or as FDSEF). Experimental evidence using highly uniform nanolithography-prepared gold nanostructures are provided to support these ideas. |
| Related Item:Host | |
|
Title Information |
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|
Title |
J. Phys. Chem. C |
|
Origin Information |
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Issuance |
continuing |
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Part |
|
|
Part Detail:volume |
|
|
Part Number |
111 |
|
Part Detail:issue |
|
|
Part Number |
44 |
|
Extent(unit="pages") |
|
|
Start |
16076 |
|
End |
16079 |
|
Identifier:ISSN |
1932-7447 |
|
Genre(marcgt) |
periodical |
| Identifier | ler07 |
| Identifier:DOI | 10.1021/jp076003g |
| Location | |
|
URL |
http://dx.doi.org/10.1021/jp076003g |
| Title Information | |
|
Title |
Enhancement factor distribution around a single surface-enhanced Raman scattering hot spot and its relation to single molecule detection |
| Name:Personal | |
|
Name Part:given |
E. C. |
|
Name Part:family |
Le Ru |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
P. G. |
|
Name Part:family |
Etchegoin |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. |
|
Name Part:family |
Meyer |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | We provide the theoretical framework to understand the phenomenology and statistics of single molecule (SM) signals arising in surface enhanced Raman scattering (SERS) under the presence of so-called electromagnetic hot spots. We show that most characteristics of the SM-SERS phenomenon can be tracked down to the presence of a tail-like (power law) distribution of enhancements and we propose a specific model for it. We analyze, in the light of this, the phenomenology of SM-SERS and show how the different experimental manifestations of the effect reported in the literature can be analyzed and understood under a unified "universal" framework with a minimum set of parameters. (c) 2006 American Institute of Physics. |
| Subject | |
|
Topic |
surface enhanced Raman scattering |
|
Topic |
statistics |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Chem. Phys. |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
125 |
|
Part Detail:issue |
|
|
Part Number |
20 |
|
Extent(unit="pages") |
|
|
Start |
204701 |
|
Genre(marcgt) |
periodical |
| Identifier | ler06a |
| Identifier:DOI | 10.1063/1.2390694 |
| Location | |
|
URL |
http://dx.doi.org/10.1063/1.2390694 |
| Title Information | |
|
Title |
On the Absorption Cross Section of CdSe Nanocrystal Quantum Dots |
| Name:Personal | |
|
Name Part:given |
C. A. |
|
Name Part:family |
Leatherdale |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
W.-K. |
|
Name Part:family |
Woo |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
F. V. |
|
Name Part:family |
Mikulec |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
M. G. |
|
Name Part:family |
Bawendi |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | The linear absorption cross section is a crucial parameter to the design of nanocrystal quantum dot devices and to the interpretation of spectroscopic data. We measure and report the size-dependent absorption cross section of CdSe nanocrystal quantum dots. We compare the results for absorption far above the band edge, where the quantum dot density of states may be approximated as a continuum, to simple theoretical models of light scattering from light-absorbing small particles. Excellent agreement with theory is found for dilute dispersions in hexane. We find that for absorption at 350 nm the per particle absorption cross section C-abs (in cm(2)) for CdSe is C-abs = (5.501 x 10(5))a(3) cm(-1), where a is the particle radius in cm. The absorption cross section is observed to be largely insensitive to the solvent refractive index. Detailed modeling of the effect of the ligand shell may be necessary to understand the lack of sensitivity of the absorption properties of nanocrystal quantum dots to the refractive index of the medium. |
| Subject | |
|
Topic |
semiconductor nanocrystals |
|
Topic |
optical-properties |
|
Topic |
oscillator strength |
|
Topic |
size dependence |
|
Topic |
crystallites |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Phys. Chem. B |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
106 |
|
Part Detail:issue |
|
|
Part Number |
31 |
|
Extent(unit="pages") |
|
|
Start |
7619 |
|
End |
7622 |
|
Genre(marcgt) |
periodical |
| Identifier | lea02 |
| Identifier:DOI | 10.1021/jp025698c |
| Location | |
|
URL |
http://dx.doi.org/10.1021/jp025698c |
| Title Information | |
|
Title |
Surface-Enhanced Fluorescence and Reverse Saturable Absorption on Silver Nanoparticles |
| Name:Personal | |
|
Name Part:given |
I-Yin Sandy |
|
Name Part:family |
Lee |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Honoh |
|
Name Part:family |
Suzuki |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Kanako |
|
Name Part:family |
Ito |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Yusuke |
|
Name Part:family |
Yasuda |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |
| Abstract | Langmuir isotherm is applied to analyze the laser-induced fluorescence from solutions containing silver nanoparticles and tris(2,2'-bipyridyl)ruthenium(II) chloride. Fluorescence enhancement factors based on the simple adsorption model are found to be 47-90, depending on the nanoparticle concentration. The enhancement is attributed to the laser-induced free-carrier absorption on the silver surfaces, which is a reverse saturable absorption process, at the excitation wavelength of 532 nm. |
| Subject | |
|
Topic |
ELECTRON-TRANSFER |
|
Topic |
ENERGY-TRANSFER |
|
Topic |
RAMAN-SPECTROSCOPY |
|
Topic |
METAL-COMPLEXES |
|
Topic |
ISLAND FILMS |
|
Topic |
MOLECULES |
|
Topic |
GOLD |
|
Topic |
AGGREGATION |
|
Topic |
PARTICLES |
|
Topic |
SEMICONDUCTORS |
| Related Item:Host | |
|
Title Information |
|
|
Title |
J. Phys. Chem. B |
|
Origin Information |
|
|
Issuance |
continuing |
|
Part |
|
|
Part Detail:volume |
|
|
Part Number |
108 |
|
Part Detail:issue |
|
|
Part Number |
50 |
|
Extent(unit="pages") |
|
|
Start |
19368 |
|
Genre(marcgt) |
periodical |
| Identifier | lee04a |
| Identifier:DOI | 10.1021/jp0471554 |
| Location | |
|
URL |
http://dx.doi.org/10.1021/jp0471554 |
| Title Information | |
|
Title |
Bioconjugates of CdTe Nanowires and Au Nanoparticles: Plasmon-Exciton Interactions, Luminescence Enhancement, and Collective Effects |
| Name:Personal | |
|
Name Part:given |
Jaebeom |
|
Name Part:family |
Lee |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Alexander O. |
|
Name Part:family |
Govorov |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
John |
|
Name Part:family |
Dulka |
|
Role |
|
|
Role Term:Text |
author |
| Name:Personal | |
|
Name Part:given |
Nicholas A. |
|
Name Part:family |
Kotov |
|
Role |
|
|
Role Term:Text |
author |
| Type of Resource | text |
| Genre | journal article |
| Genre(bibtex) | article |
| Origin Information | |
|
Issuance |
monographic |