Characterization of multi-walled carbon nanotube electrodes functionalized by electropolymerized tris(pyrrole-ether bipyridine) ruthenium (II)

被引：14

作者：

Le Goff, Alan ^{[1
]}

Holzinger, Michael ^{[1
]}

Cosnier, Serge ^{[1
]}

机构：

[1] Univ Grenoble 1, CNRS, Dept Chim Mol, UMR 5250,ICMG FR 2607, F-38041 Grenoble, France

来源：

ELECTROCHIMICA ACTA | 2011年 / 56卷 / 10期

关键词：

Charge trapping; Polypyrroles; Metallopolymers; Electropolymerization; Multi-walled carbon nanotubes; Polypyridinyl ruthenium(II); POLYPYRROLE FILMS; POLYPYRIDINYL COMPLEXES; COORDINATION CHEMISTRY; METAL-COMPLEXES; COMPOSITES; BIOSENSORS; REDUCTION; LIGANDS; FLOW;

D O I：

10.1016/j.electacta.2010.11.067

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We synthesized new electropolymerizable [Ru(bpy)(n)L(m)](PF(6))(2) (L=4,4 bis(3-pyrrol-1-ylpropyloxy) bipyridyl) derivatives. The introduction of electron donating ether groups in the bipyridine ligand induced a negative shift of the Ru(III)/(II) redox couple. The electrochemical behavior of complex Ru1 (n = 2, m = 1) and complex Ru2 (n = 0, m = 3) were compared using platinum and Multi-Walled Carbon Nanotube (MWCNT) electrode. Higher polymerization yields and surface concentrations were obtained at MWCNT electrodes. Furthermore, MWCNT electrodes increase polymer permeability and decrease the charge trapping phenomenon involved in the oxidation and reduction of the polypyrrolic skeleton of the Ru(II) functionalized polymers. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3633 / 3640

页数：8

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