Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect
- 15 August 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 51 (7), 593-596
- https://doi.org/10.1103/PhysRevLett.51.593
Abstract
The magnitude of the plasma-resonance contribution to surface-enhanced Raman scattering on silver-island films has been measured with use of an experimental arrangement in which the resonance can be suppressed. The measured reduction in Raman scattering is ∼ 300, but theoretical analysis indicates that there may remain an additional unsuppressed factor ≲3. The data show that plasma resonances are not essential for observation of Raman scattering by molecular monolayers using standard detection techniques.Keywords
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