Surface enhanced Raman scattering at Ag electrodes in non-aqueous pyridine solutions
โ Scribed by Jeanne E. Pemberton
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 692 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
The surface enhanced Raman scattenng (SERS) of interfaclal pyndme and Sr-specws at Ag eiectrodes from neat pyndlne solutions contammg tetra-n-butylammomum brormde IS presented The potential dependence of the SERS peak frequencies, bandwdths. and relattve tntenslles IS reported and Interpreted III terms of pyndtne reonentauon m the double layer A band at 221 cm-' is observed at certam potentials and IS assigned to the Ag-N stretch for Ag surface pyndme speczs
๐ SIMILAR VOLUMES
## SERS from pyridine on an Ag clccrrode is almost complcrely quenched by underpotential deposition of Tl 10 a surface covemgc of J 3%. Removal of Tl by anodic stripping does not restore the original SERS intensity. These results susest that only a small fraction of adsorbed pyridine molecules is
We have studled surface-enhanced Raman scattering from the rollowing non-aqueous elecwxhemxal systems: 0.05 M pyridme/O.l M LiCl/mclhanol/Ag ekrrode. 0.05 M pyridmc/O.l M LiCl/ethanol/Ag elecuode. and 0.05 M benzene/O.1 M LCl/edunol/Ag elects&. Each SERS band of pyri&ne is found to show ?wo &slincti
The surfaceenhanced Raman scattering (SERS) of A&N); was investigated in a silver sol. The addition of pyridine sig nilicantly increased SERS by as much as 700. The role of pyridine was interpreted with the aid of the model of pIasma resonanceenhanced Raman scatter&!.