Normal raman scattering from pyridine adsorbed on the low-index faces of silver
β Scribed by Alan Campion; David R. Mullins
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 388 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
\;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 signal intensity is linear in covemge from submonolayer to multilayer, and the dcpolariz;ltion ratio is Io\v. Since these obwrvations
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.
Surface enhanced Raman scattermg (SERS) has been observed for pyndlne and h&de mns adsorbed on sllker and gold sol partdes Chloride enhances the pl-r-rrdrne signal enormously. The SER signal from h&de mns on sllter sol IS presenr I" the absenceoF pyndme in s,l.ersols rhe enhancement ,nmeasesu~th dec