The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Charge Transfer Enhancement in the SERS of a Single Molecule
Abstract
We measured the surface-enhanced Raman scattering (SERS) of individual gold nanoparticle-4-aminobenzenethiol (ABT)-gold film junctions to investigate the charge-transfer (CT) enhancement of the SERS signals. Despite the mild electromagnetic field enhancement (∼10(5)) and high surface density of the ABT-molecules (∼240 molecules/hotspot) at the junctions, we observed the clear spectral and temporal signatures of CT-enhanced single-molecule SERS (SM-SERS). The result reveals that only a small fraction of the molecules at the junction has a significant CT-enhancement of 10(1)∼10(3), whereas the rest of the molecules are nearly CT-inactive. Furthermore, the result also proves that overall (charge-transfer and electromagnetic) enhancement of 10(6)∼10(8) is sufficient to observe the SM-SERS of an electronically off-resonant molecule, which disproves the widespread belief that a minimum enhancement of ∼10(14) is required for SM-SERS.
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Cites
Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering
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Single Molecule Detection Using Surface-Enhanced Raman Scattering (SERS)
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Localized Surface Plasmon Resonance Spectroscopy and Sensing
Willets, K. A., & Van Duyne, R. P. (2007) · Annual Review of Physical Chemistry · doi:10.1146/annurev.physchem.58.032806.104607 · Cited by 6,171
Surface-enhanced Raman scattering
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Dependence of single-molecule junction conductance on molecular conformation
Venkataraman, L., Klare, J. E., Nuckolls, C., Hybertsen, M. S., & Steigerwald, M. L. (2006) · Nature · doi:10.1038/nature05037 · Cited by 1,477
Two‐Dimensional Correlation Spectroscopy – Applications in Vibrational and Optical Spectroscopy
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Reproducible Measurement of Single-Molecule Conductivity
Cui, X. D., Primak, A., Zarate, X., Tomfohr, J., Sankey, O. F., Moore, A. L., Moore, T. A., Gust, D., Harris, G., & Lindsay, S. M. (2001) · Science · doi:10.1126/science.1064354 · Cited by 1,293
Quantum Description of the Plasmon Resonances of a Nanoparticle Dimer
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A Unified View of Surface-Enhanced Raman Scattering
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Single Molecule Raman Spectroscopy at the Junctions of Large Ag Nanocrystals
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Cited by
Theoretical Studies of Plasmonics using Electronic Structure Methods
Morton, S. M., Silverstein, D. W., & Jensen, L. (2011) · Chemical Reviews · doi:10.1021/cr100265f · Cited by 474
Surface-enhanced Raman spectroscopy at single-molecule scale and its implications in biology
Wang, Y., & Irudayaraj, J. (2013) · Philosophical Transactions of the Royal Society B: Biological Sciences · doi:10.1098/rstb.2012.0026 · Cited by 125
Metadata
- Authors
- Park, W.-H., & Kim, Z. H.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-09-21
- Volume
- 10
- Issue
- 10
- Pages
- 4040-4048
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1998684669
- Cited by
- 342
- References
- 29
- FWCI
- 11.95
- Type
- journal article
- Language
- en
- Open access
- closed
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