Roughness Effects in Surface Enhanced Raman Scattering - Evidence for Electromagnetic and Charge Transfer Enhancement Mechanism
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Investigations of Surface Enhanced Raman Scattering (SERS) of pyridine adsorbed on the silver electrode of different roughness have been performed. The obtained results indicate that the micro- and the atomic scale roughness influence the intensity of SERS signal. This proves for the electromagnetic and charge transfer origin of the enhancement in the SERS phenomenon.
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