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The role of cavity sites in surface-enhanced Raman scattering

โœ Scribed by H. Seki; T.J. Chuang

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
356 KB
Volume
100
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Thermal desorption spectra (TDS) of pyridine from silver fdms deposited in ultra high vacuum are reported. Marked differences in the TDS are seen depending on the deposition conditions and the thermal history of the ffims. which have been correlated with surface-enhanced Raman scattering (SERS). l%ese results as well as some of the observations in clectrochemical systems are discussed in Ii&t of the recent Xe probe analysis carried out by Albano et al.

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On the theory of surface-enhanced Raman
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โœ B.N.J. Persson ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 438 KB

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 th