Mixed ion transfer in redox processes of poly(3,4-ethylenedioxythlophene)

被引：53

作者：

Niu, L

Kvarnström, C

Ivaska, A

机构：

[1] Abo Akad Univ, Proc Chem Ctr, Analyt Chem Lab, FIN-20500 Turku, Finland

[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2004年 / 569卷 / 02期

基金：

芬兰科学院; 中国国家自然科学基金;

关键词：

poly(3.4-etylenedioxythiophene); EQCM; ion transfer; conducting polymer;

D O I：

10.1016/j.jelechem.2004.01.029

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A model considering the transfer of counter ions and solvent molecules has been presented to explain the complicated ion transfer in polymer films during electrochemical redox processes. The developed mixed ion transfer model is used to analyze the ion transfer behavior of poly(3,4-ethylenedioxythiophene) during doping and dedoping processes. The results indicate that both anions and cations are involved in n-doping as well as in p-doping processes. The behavior of different electrolyte ions is also studied. The developed model shows that solvent molecules are also transferred in conjunction with the ion transfer. (C) 2004 Elsevier B.V. All rights reserved.

引用

收藏

页码：151 / 160

页数：10

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