A modified composite film electrode of polyoxometalate/carbon nanotubes and its electrocatalytic reduction

被引：27
|
作者：
Guo, Weihua [1 ]
Xu, Lin [1 ]
Xu, Bingbing [1 ]
Yang, Yanyan [1 ]
Sun, Zhixia [1 ]
Liu, Shuping [1 ]
机构：
[1] NE Normal Univ, Key Lab Polyoxometalates Sci, Minist Educ, Coll Chem, Changchun 130024, Peoples R China
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2009年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Polyoxometalates; Electrochemical growth; Electrocatalytic; Carbon nanotubes; GLASSY-CARBON ELECTRODES; KEGGIN-TYPE HETEROPOLYANIONS; ELECTROCHEMICAL-BEHAVIOR; ABRASIVE IMMOBILIZATION; FUNCTIONALIZATION; POLYPYRROLE; OXIDATION; GOLD; CYSTEINE; COMPLEX;
D O I：
10.1007/s10800-008-9704-2
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Keggin-type polyoxometalate (H4SiMo12O40) and carbon nanotubes (CNTs) coated by poly(allylamine hydrochloride) (PAH) were alternately deposited on glassy carbon (GC) electrodes by an electrochemical growth method in acidic aqueous solution. The preparation of the film electrode was simple and convenient. Thus-prepared multilayer films and the electrochemical behavior of the composite film modified electrode were characterized by UV-vis spectroscopy and cyclic voltammetry. It was shown that the multilayer films are uniform and stable. The resulting multilayer film modified electrode behaves as an electrochemical sensor because of its low overpotential for the catalytic reduction of S2O8 (2-) and NO2 (-) in acidic aqueous solution.
引用
收藏
页码：647 / 652
页数：6
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