State of the Cu electrode surface studied by X-ray photoelectron and Auger spectroscopies

被引：0
|
作者：
L. M. Korotaeva
O. P. Tkachenko
T. Ya. Rubinskaya
V. P. Gul"tyai
机构：
[1] Russian Academy of Sciences,N. D. Zelinsky Institute of Organic Chemistry
来源：
Russian Chemical Bulletin | 2003年 / 52卷
关键词：
copper cathode; annealing; X-ray photoelectron spectroscopy; X-ray Auger electron spectroscopy; surface; electrocatalytic hydrogenation; electrocatalytic activity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Annealing of the copper plate in flame was found (by XPS and X-ray Auger spectroscopy) to enrich the surface copper layers in oxygen in the forms of Cu2O and adsorbed oxygen. The changes in the surface layers of the copper cathode due to annealing can be the origin of the earlier found enhancement of its activity in the electrocatalytic hydrogenation of citral and trans-2-allyl-6-R-1,2,3,6-tetrahydropyridines (R = Me, All, Ph). This method of the copper electrode pre-treatment provides its long durability, an insignificant decrease in the electrocatalytic activity in time, and the reproducibility of the electrocatalytic hydrogenation of unsaturated organic compounds.
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页码：2346 / 2351
页数：5
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