Electropolymerization and characterization of 3,4-ethylenedioxy thiophene on glassy carbon electrode and study of ions transport of the polymer during redox process

被引:4
|
作者
Moradi, Atefeh [1 ]
Emamgolizadeh, Abbas [1 ]
Omrani, Abdollah [1 ]
Rostami, Abbas Ali [1 ]
机构
[1] Univ Mazandaran, Fac Chem, Babol Sar, Iran
关键词
poly (3; 4-ethylenedioxythiophene); electropolymerization; morphology; Butler-Volmer equation; CONDUCTING POLYMERS; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); OXIDATION;
D O I
10.1002/app.36508
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(3,4-ethylenedioxythiophene) (PEDOTh) films were deposited on glassy carbon (GC) electrodes from organic electrolytes containing the monomer in a solution of acetonitrile (AN). The effect of the supporting electrolyte used during electropolymerization, on the redox behavior, surface morphology, and degree of crystallinity of the films has been investigated by FTIR, cyclic voltammetry, and scanning electron microscopy (SEM) techniques. The use of LiPF6 leads to a higher electropolymerization efficiency and an increase of electroactivity and crystallinity of the polymer. On the basis of voltammetric studies of the Nernst and ButlerVolmer equations, we concluded that BF4-, ClO4-, and PF6- anions are the mobile species during the redox process of the PEDOTh films. (c) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
引用
收藏
页码:2407 / 2416
页数:10
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