STRUCTURAL EFFECTS ON CO2 REDUCTION AT PT SINGLE-CRYSTAL ELECTRODES .1. THE PT(110) SURFACE

被引：60
|
作者：
RODES, A
PASTOR, E
IWASITA, T
机构：
[1] Insitut für Physikalische Chemie der Universität Bonn, D-53115 Bonn 1
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1994年 / 369卷 / 1-2期
关键词：
D O I：
10.1016/0022-0728(94)87097-7
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Cyclic voltammetry and Fourier transform IR spectroscopy have been employed to study the activity of Pt(110) single crystals towards CO2 reduction. Linear-bonded CO and traces of multibonded CO are the main reaction products. No differences in the nature of ''reduced CO2'' were observed for different adsorption potentials, adsorption times, base electrolyte composition and cooling conditions of the electrode surface. At any potential below 0.20 V the surface can be saturated, indicating that hydrogen readsorption takes place. Anionic carbonate species are adsorbed at potentials above 0.50 V.
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页码：183 / 191
页数：9
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