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SURFACE-ENHANCED RAMAN-SPECTROSCOPIC STUDIES ON SILVER ELECTRODES IN THE PRESENCE OF 2-MERCAPTOPYRIMIDINE

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SURFACE-ENHANCED RAMAN-SPECTROSCOPIC STUDIES ON SILVER ELECTRODES IN THE PRESENCE OF 2-MERCAPTOPYRIMIDINE.htm (413bytes)
Date
2005-04-14
Author
LI, WH
MAO, BW
毛秉伟
TIAN, ZQ
田中群
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  • 化学化工-已发表论文 [14469]
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Abstract
Surface-enhanced Raman spectroscopy (SERS) was applied to the study of silver electrodes in the presence of 2-mercaptopyrimidine (2MP) over a wide electrode potential range from -0.3 to -1.8 V (vs. SCE), The spectra reveal that in neutral solution 2MP was adsorbed perpendicularly on the silver electrode via its sulphur atom at potentials more positive than -1.1 V and was electrochemically reduced at more negative potentials, The significant dependence of the SERS spectra on the solution pH and the time-resolved SERS results suggest that hydrooligomerization of 2AMP may take place during the electrochemical reduction process, It has been shown that SERS can be used as a unique tool to study structural changes of electrochemical interfaces through detailed molecular level analyses in the electrode potential region of hydrogen evolution.
Citation
JOURNAL OF RAMAN SPECTROSCOPY,1995,26(3):233-237
URI
http://dx.doi.org/doi:10.1002/jrs.1250260305
https://dspace.xmu.edu.cn/handle/2288/13748

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