Surface-enhanced Raman scattering (SERS) of Ct.05 M pyridine/lO-s M CuCl,/O.l M KCl/water/Ag electrode and 0.05 M pyridine/O. I M KCl/water/Cu electrode systems was studied at T=24 and 45 "C. At T= 24ยฐC a very small amount of IO-' M Cu ions could stabilize the large amount of surface Ag adatoms and
Comparison of the potential dependence of the surface-enhanced raman effect at colloid silver particles and bulk silver electrodes
โ Scribed by H. Wetzel; H. Gerischer; B. Pettinger
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 266 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
The potentul dependence of surbce*nhsnccd
Ramsn syn& from pyrtdme adsorbed onto sdwr sol pxrl~lcs ts tdcnt~c31 to that from pyrldme adsorbed on flat sdbcr clectrodcs Var1~11on of the potcntul at thu mtcr~xc srlv~r sol p~~~clc/clcc~rolytc WIS achtcvcd by addmg the redo\ system europmmJt/curopmm2* and varyrng the conccntratIon ratio
๐ SIMILAR VOLUMES
We show through enhanced Raman scattering from chloride on silver at large positive metal charge that the Stark effect and bond perturbation play minor roles in the potential dependence of the spectra. The major influence on the intensity and frequency of these spectra can be explained by charges ln
Surface-enhanced Raman spectroscopy has been used to study the surface chemistry of thiocarbohydrazide (TCH) on Ag and Cu electrodes. The TCH molecule is adsorbed on Ag and Cu surfaces through its S atom. The electrochemistry of TCH in acidic solutions is also investigated. In contrast to thiosemica