✦ LIBER ✦

On the theory of surface-enhanced Raman scattering

✍ Scribed by B.N.J. Persson

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 438 KB
Volume: 82
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(81)85441-3

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✦ Synopsis

A model for Raman scattering from molecules chemisorbed on surfaces is proposed. It is shown that part of the en hancement may be due to charge-transfer eucitatrons between the metal and the adsorbed molecules.

A photon, incident upon a gas-phase molecule, may be inelastically scattered, leaving the molecule in a vibrationally excited state (Raman scattering). The cross section for this process IS usually very small, ~101~ A2 for a photon of energy ?iw x 2 eV.

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