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期刊论文

Orientational behavior of cyanide on a roughened platinumsurface investigated by surface enhanced Raman spectroscopy

任斌Bin Ren* Xiao-Qin Li De-Yin Wu Jian-Lin Yao Yong Xie Zhong-Qun Tian

Chemical Physics Letters 322 (2000) 561-566,-0001,():

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摘要/描述

The surface Raman study of the electrode potential effect on the adsorption behavior of cyanide on the Pt surface wasperformed on a confocal microprobe Raman system with the help of a special surface pretreatment for the platinumelectrode. The abrupt change of the dependence of the CNy stretching vibration on the potential at ca. y0.6 V indicates asubtle orientation change of the adsorbed CN. This is supported by the changes of the Pt-C vibration located at ca. 400cmy1. A detailed discussion is given on the potential dependent adsorption behavior and the frequency shift of the majorvibrational bands.

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