A comparison of Raman scattering, resonance Raman scattering, and fluorescence from molecules adsorbed on silver Island films

D. A. Weitz, S. Garoff, J. I. Gersten, A. Nitzan

Research output: Contribution to journalArticlepeer-review

Abstract

The enhancement of Raman scattering (RS), resonance Raman scattering (RRS), and fluorescence from molecules adsorbed on silver-island films is reported. A heirarchy of enhancements is found: 105 for RS, 103 for RRS, and 0.1-10 for fluorescence, depending on the quantum yield of the free molecule. Using the framework of the electromagnetic theory of surface-enhanced Raman scattering, generalized to treat molecular resonance phenomena, we develop a unified picture of the role of the surface plasmon resonances, and the surface-induced damping, in the light scattering processes. The observed heirarchy of enhancements is shown to have important spectroscopic consequences.

Original languageEnglish
Pages (from-to)363-370
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume14
Issue numberC
DOIs
StatePublished - 1983

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