ELECTROCHEMICAL CHARACTERISTICS OF SOME N-(HYDROXYALKYL) AND N-(TOSYLALKYL) PYRROLES - ELECTROCHEMICAL-BEHAVIOR OF THE CORRESPONDING POLYMERS

被引:34
作者
BIDAN, G [1 ]
GUGLIELMI, M [1 ]
机构
[1] CEN,DEPT RECH FONDAMENTALE,PHYS SERV,GRP DYNAM SPIN & PROPRIETES ELECTR,CNRS,ERA 216,F-38041 GRENOBLE,FRANCE
关键词
ELECTROCHEMISTRY - ELECTRODES - Surfaces - POLYMERS - Electric Conductivity;
D O I
10.1016/0379-6779(86)90142-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present an electrochemical study of a series of thirteen N-alkyl derived pyrrole monomers, where the substituent of the alkyl chain is a hydroxyl or a tosyl group. The anodic peak potentials are mainly influenced by the steric hindrance of the substituent. Electropolymerization of hydroxylated pyrrole monomers is blocked for short alkyl chains (C//2 or C//3). This may be due to the internal attack of the pyrrole cation radical. The best electropolymerizability of pyrrolic monomers, as well as the cycling stability of the corresponding polymers, is observed for compounds with a linear C//6 alkyl chain or with a C//3 branched alkyl chain bearing two pyrrole groups for one substituent.
引用
收藏
页码:49 / 58
页数:10
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