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Surface-enhanced Raman scattering of pyridine on platinum and nickel electrodes in nonaqueous solutions

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Surface-enhanced Raman scattering of pyridine on platinum and nickel electrodes in nonaqueous solutions.htm (413bytes)
Date
2002-11-02
Author
Cao, PG
Gu, RA
Ren, B
任斌
Tian, ZQ
田中群
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  • 化学化工-已发表论文 [14237]
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Abstract
Surface-enhanced Raman scattering (SERS) spectra of pyridine adsorbed onto bare platinum and nickel electrodes in nonaqueous solutions are reported in this Letter. There are similarities and differences between the SERS from aqueous and nonaqueous solutions. The surface enhancement factor for platinum in acetonitrile solution has been calculated to decrease by a factor of ca. 10 compared with that in the aqueous media. The double-band character for the ring breathing mode is observed at 1009 and 1019 cm(-1). Two adsorption modes of pyridine on the platinum surface were assumed. Part of the pyridine molecules may be chemisorbed onto the surface, with the ring plane oriented vertical to the surface; other pyridine molecules may co-adsorb with lithium cations onto the surface. (C) 2002 Published by Elsevier Science B.V.
Citation
CHEMICAL PHYSICS LETTERS,2002,366(3-4):440-446
URI
http://dx.doi.org/10.1016/S0009-2614(02)01663-9
https://dspace.xmu.edu.cn/handle/2288/12294

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