Probing the structure of single-molecule surface-enhanced Raman scattering hot spots

Jon P. Camden; Jon A. Dieringer; Yingmin Wang; David J. Masiello; Lawrence D. Marks; George C. Schatz; Richard P. Van Duyne

doi:10.1021/ja8051427

Probing the structure of single-molecule surface-enhanced Raman scattering hot spots

Jon P. Camden, Jon A. Dieringer, Yingmin Wang, David J. Masiello, Lawrence D. Marks, George C. Schatz, Richard P. Van Duyne

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797 Scopus citations

Abstract

We present here a detailed study of the specific nanoparticle structures that give rise to single-molecule surface-enhanced Raman scattering (SMSERS). A variety of structures are observed, but the simplest are dimers of Ag nanocrystals. We chose one of these structures for detailed study using electrodynamics calculations and found that the electromagnetic SERS enhancement factors of 109 are easily obtained and are consistent with single-molecule SERS activity.

Original language	English (US)
Pages (from-to)	12616-12617
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	38
DOIs	https://doi.org/10.1021/ja8051427
State	Published - Sep 24 2008

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja8051427

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abstract = "We present here a detailed study of the specific nanoparticle structures that give rise to single-molecule surface-enhanced Raman scattering (SMSERS). A variety of structures are observed, but the simplest are dimers of Ag nanocrystals. We chose one of these structures for detailed study using electrodynamics calculations and found that the electromagnetic SERS enhancement factors of 109 are easily obtained and are consistent with single-molecule SERS activity.",

author = "Camden, {Jon P.} and Dieringer, {Jon A.} and Yingmin Wang and Masiello, {David J.} and Marks, {Lawrence D.} and Schatz, {George C.} and {Van Duyne}, {Richard P.}",

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AU - Camden, Jon P.

AU - Dieringer, Jon A.

AU - Wang, Yingmin

AU - Masiello, David J.

AU - Marks, Lawrence D.

AU - Schatz, George C.

AU - Van Duyne, Richard P.

PY - 2008/9/24

Y1 - 2008/9/24

N2 - We present here a detailed study of the specific nanoparticle structures that give rise to single-molecule surface-enhanced Raman scattering (SMSERS). A variety of structures are observed, but the simplest are dimers of Ag nanocrystals. We chose one of these structures for detailed study using electrodynamics calculations and found that the electromagnetic SERS enhancement factors of 109 are easily obtained and are consistent with single-molecule SERS activity.

AB - We present here a detailed study of the specific nanoparticle structures that give rise to single-molecule surface-enhanced Raman scattering (SMSERS). A variety of structures are observed, but the simplest are dimers of Ag nanocrystals. We chose one of these structures for detailed study using electrodynamics calculations and found that the electromagnetic SERS enhancement factors of 109 are easily obtained and are consistent with single-molecule SERS activity.

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Probing the structure of single-molecule surface-enhanced Raman scattering hot spots

Abstract

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