Raman scattering from adsorbates on silver
β Scribed by A. Otto
- Publisher
- Elsevier Science
- Year
- 1980
- Weight
- 103 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0167-2584
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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.
Ahstraet-We have operated a device which exploits surface plasmon field enhancement through the Kretchmann configuration to improve the surface sensitivity of the Raman process. The sample was Ag(ll1) grown epitaxially on mica. We collected the entire emission cone to real& the full coupling efficie
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
\\;c find no cnh~nccmcnt oi the Raman scwerin\_r cross section for pyridine adsorbed at 120 K on the (1001, ( 110) and ( 1 1 1 ) f;lres of silver in ulrnhigb ticuum. The frequcncius WC observe xc essenthlly unshifted from thoseof liquid pyridine, intensity rz~tios are similar to the liquid. the sig