Enhanced Raman scattering by molecules adsorbed on electrodes--a theoretical model
β Scribed by M. Moskovits
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 250 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Suriace enhanced Raman (SIX) spectra of 2-. 3-, and 4-q snop)\*ridine (7-i 3-, and 1CP) adsorbed on sdrer electrodes suggest that the surface enhzncement cross section of the CN stretching G&ration is stron@ dependent upon the orientation of the CN group \xith respect to the electrode surface.
SERS from crystal rlolct (CV) on a Ag clectrodc was mvcslqakd under prcrrsonsncc and resonance condltlons. The ckcll~llon prolilc of the chcmaorbcd spccics is Me that of chsrolvcd mokculcs but mtcnsltirs ZUIL' =I000 tnncs luger. The Raman enhancement IS = IO8 and ckhlblts 3 spcc~lic potcntlal dcpcnd
Calculations LUustrnte a new physical process, Raman reflectton, wluch contributes to Raman scattermg by adsorbed molecules it IS Induced by the mteractlon between the vibratmg ion-core charges of adsorbed molecules and the electrons of the metal, this mteraction cz~uses energy transfer from the ele