Self-assembled monolayer of a Schiff base on Au(111) surface: electrochemistry and electrochemical STM study

被引：13
|
作者：
Kong, DS
Wan, LJ [1 ]
Han, MJ
Pan, GB
Lei, SB
Bai, CL
Chen, SH
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
[2] Shandong Univ, Dept Chem, Jinan 250100, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2002年 / 48卷 / 04期
基金：
中国国家自然科学基金;
关键词：
adsorption; STM; Au(111); Schiff base; SAM;
D O I：
10.1016/S0013-4686(02)00667-9
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The self-assembled monolayer (SAM) of Schiff base V-ape-V molecules on Au(I 11) in HClO4 solution has been investigated by electrochemical techniques and electrochemical scanning tunneling microscopy (ECSTM). The adsorption of V-ape-V on Au(I 11) retards the oxidization of Au and reduces the double-layer capacitance. Two-dimensional ordered molecular arrays with a (5 x 2root3) commensurate structure are observed. The V-ape-V molecules are adsorbed on Au(1 11) in a flat-lying orientation. A structural model is proposed to interpret the experimental results. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：303 / 309
页数：7
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