Electrochemical synthesis of polymers with alternate phenothiazine and bithiophene units

被引：13

作者：

Silesian University of Technology, Faculty of Chemistry, Strzody 9, 44-100 Gliwice, Poland ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

不详 ^{[4
]}

机构：

[1] Silesian University of Technology, Faculty of Chemistry, 44-100 Gliwice

[2] PAS, Centre of Polymer and Carbon Materials, 41-819 Zabrze

[3] Wrocław University of Technology, Department of Chemistry, Faculty of Medicinal Chemistry and Microbiology, 50-370 Wrocław

[4] Department of Environmental Chemistry and Technology, Institute of Chemistry, University of Silesia, 40-006 Katowice

来源：

Electrochim Acta | 2008年 / 5卷 / 2545-2552期

关键词：

Cyclic voltammetry; ESR; Oxidation mechanism; Phenothiazine derivatives; Radical cation;

D O I：

10.1016/j.electacta.2007.10.031

中图分类号：

学科分类号：

摘要：

An electrochemical and spectroelectrochemical study of a new monomer-N-alkyl-bis(thiophene)phenotiazine have been presented. Electrochemical polymerization of the monomer leads to a polymer with alternate phenothiazine and bithiophene units. Polymerization proceeds after bielectronic oxidation of the molecule. Monoelectronic oxidation gives a stable radical cation with spin located on phenothiazine. Electrochemical properties of the polymer depend on the thickness of the film deposited on the electrode. For thin layers one can observe a characteristic redox couple of phenothiazine oxidation to a radical cation. Analysis of the polymer behaviour and the results of spectroelectrochemical measurements indicate a mixed-type of polymer conductivity. © 2007 Elsevier Ltd. All rights reserved.

引用

页码：2545 / 2552

页数：7

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