Electrochemical in situ STM study of a Cu(111) electrode in neutral sulfate containing electrolyte

被引：14
|
作者：
Friebel, D [1 ]
Broekmann, P [1 ]
Wandelt, K [1 ]
机构：
[1] Univ Bonn, Inst Phys & Theoret Chem, D-53115 Bonn, Germany
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2004年 / 201卷 / 05期
关键词：
D O I：
10.1002/pssa.200304371
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated the potential dependent surface phase behaviour of a Cu(I 11) electrode in a neutral sulfate containing electrolyte by cyclic voltammetry (CV) and electrochemical in situ scanning tunneling microscopy (ECSTM). The cyclic voltammograms show characteristic peaks for the formation/reduction of an oxide film. Based on our ECSTM measurements obtained over the entire potential range between hydrogen evolution at -900 mV vs. RHE and passivation up to +175 mV, the potential window can be divided into four regions with characteristic surface structures. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：861 / 869
页数：9
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