Assembly of polyoxometalates on carbon nanotubes paste electrode and its catalytic behaviors

被引：45
|
作者：
Jianying Qu
Xiangqin Zou
Baifeng Liu
Shaojun Dong [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China
[2] Henan Univ, Coll Chem & Chem Engn, Kaifeng 475001, Henan, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
ANALYTICA CHIMICA ACTA | 2007年 / 599卷 / 01期
基金：
中国国家自然科学基金;
关键词：
carbon nanotube paste electrode; polyoxometalates; assembly; catalyze;
D O I：
10.1016/j.aca.2007.07.072
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Carbon nanotubes paste (CNTP) electrode was prepared with multi-walled carbon nanotubes and methyl silicone oil. Polyoxometalates (POMs) were assembled on the electrode surface with different methods, and investigated by cyclic voltammetry and Raman spectroscopy. Experiments showed that POMs/CNTP electrode prepared by direct method had better performance. K6P2Mo18O62 center dot 14H(2)O (P2Mo18) assembled CNTP electrode (P2Mo18/CNTP) electrode possessed good reversibility and could catalyze the reduction of bromate and iodate in 0.1 M H2SO4 Solution. Further, the multilayer films of P2Mo18 assembled CNTP electrodes were fabricated by layer-by-layer technique, which showed higher electrocatalytic activities. All these POMs assembled CNTP electrodes prepared exhibited good stability. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：51 / 57
页数：7
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