The electropolymerization and electrocatalytic properties of polymerized MnTAPP film modified electrodes in aqueous solutions

被引：37
作者：
Chen, SM [1 ]
Chen, YL [1 ]
机构：
[1] Natl Taipei Univ Technol, Dept Chem Engn, Taipei 106, Taiwan
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2004年 / 573卷 / 02期
关键词：
film modified electrode; MnTAPP; porphyrin; polymerization; electrocatalysis;
D O I：
10.1016/j.jelechem.2004.07.014
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The electropolymerization of manganese tetra(o-aminophenyl)porphyrin (MnTAPP) produces stable and electrochemically active films from an acetonitrile solution and from strong acidic aqueous solutions. These films can be produced on glassy carbon, gold, and transparent semiconductor tin oxide electrodes. An electrochemical quartz crystal microbalance and cyclic voltammetry were used to study the in situ growth of poly(MnTAPP) films. MnTAPP is a molecule that has four branched monomers. The polymer films showed redox couples, and the cyclic voltammograms were pH dependent when transferred to various acidic aqueous solutions. The electrocatalytic reduction of SO52- and S2O82- by poly(MnTAPP) in strong acidic aqueous solutions showed obvious electrocatalytic reduction activity. The poly(MnTAPP) films also electrocatalytically oxidized ascorbic acid, SO32-, S2O42-, and Fe2+ in aqueous solution. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：277 / 287
页数：11
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