Volume 132, 2006

A study of local heating of molecules under Surface Enhanced Raman Scattering (SERS) conditions using the anti-Stokes/Stokes ratio

Abstract

We make systematic measurements of the anti-Stokes/Stokes (aS/S) ratios using low power lasers (0.5 mW at 514 and 633 nm) of rhodamine 6G (RH6G) on dried silver colloids over a wide range of temperatures from 140 to 350 K. We show that a scan in temperature allows the extraction of the contributions to the anti-Stokes/Stokes ratio from resonance effects and heating independently, thus decoupling the two aspects of the problem.

Article information

Article type
Paper
Submitted
20 Jul 2005
Accepted
25 Jul 2005
First published
18 Oct 2005

Faraday Discuss., 2006,132, 77-83

A study of local heating of molecules under Surface Enhanced Raman Scattering (SERS) conditions using the anti-Stokes/Stokes ratio

R. C. Maher, L. F. Cohen, E. C. Le Ru and P. G. Etchegoin, Faraday Discuss., 2006, 132, 77 DOI: 10.1039/B510413K

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