Surface-enhanced Raman scattering from silver particles on polymer-replica substrates

Evaporation of silver onto polymer microstructures produces a particle system for which optical characterization (e.g., absorbance) is possible. Measurements of surface-enhanced Raman scattering from these surfaces are compared with the particle-plasmon resonance model, including radiation-damping effects. The results provide evidence for the correlation between the Raman-excitation resonance and the optical properties of the silver system, supporting the electromagnetic model of surface Raman enhancement.