Preparation of a phosphopolyoxomolybdate P2Mo18O626- doped polypyrrole modified electrode and its catalytic properties

被引:27
|
作者
Zou, XQ [1 ]
Shen, Y [1 ]
Peng, ZQ [1 ]
Zhang, L [1 ]
Bi, LH [1 ]
Wang, YL [1 ]
Dong, SJ [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Jilin, Peoples R China
基金
中国国家自然科学基金;
关键词
polypyrrole phosphopolyoxomolybdate overoxidation catalysis; bromate;
D O I
10.1016/j.jelechem.2003.11.012
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A phosphopolyoxomolybdate (P2Mo18) doped polypyrrole (PPy) modified electrode was prepared in aqueous solution by a one-step method. During the polymerization of PPy, P2Mo18 acted as both catalyst and dopant. The electrochemical behavior of the PPy/P2Mo18 modified electrode before and after the overoxidation of PPy was investigated. Both of these showed a catalytic effect toward bromate. The PPy/P2Mo18 composite film was characterized by chronoamperometry, cyclic voltammetry, the rotating disk electrode technique, X-ray photoelectron spectroscopy and Raman spectroscopy. (C) 2003 Published by Elsevier B.V.
引用
收藏
页码:63 / 71
页数:9
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