A MODEL FOR SEQUENTIAL 1ST-ORDER PHASE-TRANSITIONS OCCURRING IN THE UNDERPOTENTIAL DEPOSITION OF METALS

被引:104
作者
HUCKABY, DA [1 ]
BLUM, L [1 ]
机构
[1] UNIV PUERTO RICO,DEPT PHYS,RIO PIEDRAS,PR 00931
来源
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1991年 / 315卷 / 1-2期
关键词
D O I
10.1016/0022-0728(91)80074-Z
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A model for the underpotential deposition of metals that occurs in stages is introduced. In this model the deposition takes place as a sequence of first order phase transitions of the adsorbate. In this application we study the underpotential deposition of Cu on a Au(111) surface in the presence of sulfate ions. The voltammogram of the deposition shows two sharp spikes which are reproduced by our model.
引用
收藏
页码:255 / 261
页数:7
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