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Unified treatment of fluorescence and Raman scattering processes near metal surfaces

Xu, Hongxing LU ; Wang, X; Persson, Martin LU ; Xu, Hongqi LU ; Kall, M and Johansson, P (2004) In Physical Review Letters 93(24).
Abstract
We present a general model study of surface-enhanced resonant Raman scattering and fluorescence focusing on the interplay between electromagnetic effects and the molecular dynamics. Our model molecule is placed close to two Ag nanoparticles and has two electronic levels. A Franck-Condon mechanism provides electron-vibration coupling. Using realistic parameter values for the molecule we find that an electromagnetic enhancement by 10 orders of magnitude can yield Raman cross sections sigma(R) of the order 10(-14) cm(2). We also discuss the dependence of sigma(R) on incident laser intensity.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
93
issue
24
publisher
American Physical Society
external identifiers
  • wos:000225661100020
  • scopus:37649030540
ISSN
1079-7114
DOI
10.1103/PhysRevLett.93.243002
language
English
LU publication?
yes
id
facbb191-987a-40d4-aa7f-84a9f696d225 (old id 259132)
date added to LUP
2007-11-05 16:13:49
date last changed
2017-12-10 03:39:56
@article{facbb191-987a-40d4-aa7f-84a9f696d225,
  abstract     = {We present a general model study of surface-enhanced resonant Raman scattering and fluorescence focusing on the interplay between electromagnetic effects and the molecular dynamics. Our model molecule is placed close to two Ag nanoparticles and has two electronic levels. A Franck-Condon mechanism provides electron-vibration coupling. Using realistic parameter values for the molecule we find that an electromagnetic enhancement by 10 orders of magnitude can yield Raman cross sections sigma(R) of the order 10(-14) cm(2). We also discuss the dependence of sigma(R) on incident laser intensity.},
  articleno    = {243002},
  author       = {Xu, Hongxing and Wang, X and Persson, Martin and Xu, Hongqi and Kall, M and Johansson, P},
  issn         = {1079-7114},
  language     = {eng},
  number       = {24},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Unified treatment of fluorescence and Raman scattering processes near metal surfaces},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.93.243002},
  volume       = {93},
  year         = {2004},
}