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Dependence of the Amplification of Giant Raman Scattering and Fluorescence on the Distance between an Adsorbed Molecule and a Metal Surface

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Abstract

We have studied the effect of the long-range amplification of secondary radiation of the molecules of oxazine 1 adsorbed on the surface of thin silver film covered by 1–7 Langmuir monolayers of stearic acid. We show that the intensity of the giant Raman scattering (GRS) changes proportionally to r −1 with removal of a molecule from the surface of a metal, which is in good agreement with the theory. The distances over which the strength of the electric field enhanced by the surface makes a substantial contribution to the processes mentioned are of the order of 10 nm.

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German, A.E., Gachko, G.A. Dependence of the Amplification of Giant Raman Scattering and Fluorescence on the Distance between an Adsorbed Molecule and a Metal Surface. Journal of Applied Spectroscopy 68, 987–992 (2001). https://doi.org/10.1023/A:1014351115569

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  • DOI: https://doi.org/10.1023/A:1014351115569

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