Electrochemical characterization of self-assembled monolayer of a novel manganese tetrabenzylthio-substituted phthalocyanine and its use in nitrite oxidation

被引:15
|
作者
Matemadombo, Fungisai [1 ,2 ]
Griveau, Sophie [1 ]
Bedioui, Fethi [1 ]
Nyokong, Tebello [2 ]
机构
[1] Ecole Natl Super Chim Paris, INSERM 640, CNRS 8151, Unite Pharmacol Chim & Genet, F-75231 Paris, France
[2] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa
基金
美国安德鲁·梅隆基金会; 新加坡国家研究基金会;
关键词
manganese phthalocyanine; cyclic voltammetry; self-assembled monolayer; impedance spectroscopy; nitrite oxidation; electrochemical scanning microscopy;
D O I
10.1002/elan.200804269
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Manganese phthalocyanine MnPc(Sph)(4) has been synthesized and used to form self assembled monolayers on gold electrodes. The well packed SAM monolayer was characterized by analyzing the blocking of a number of Faradic processes by cyclic voltammetry, evaluating the electrical characteristics of the modified electrode by electrochemical impedance and imaging the modified surface by electrochemical scanning microscopy. Finally, MnPc(SPh)(4)-SAM modified electrode displayed an electrocatalytic behavior toward the oxidation of nitrite.
引用
收藏
页码:1863 / 1872
页数:10
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