AC-Bipolar Electropolymerization of 3,4-Ethylenedioxythiophene in Ionic Liquids

被引：5

作者：

Chen, Zhenghao ^{[1
]}

Zhou, Yaqian ^{[2
]}

Villani, Elena ^{[1
]}

Shida, Naoki ^{[3
]}

Tomita, Ikuyoshi ^{[1
]}

Inagi, Shinsuke ^{[1
]}

机构：

[1] Tokyo Inst Technol, Sch Mat & Chem Technol, Dept Chem Sci & Engn, Yokohama 2268502, Japan

[2] Northwest Univ, Coll Chem & Mat Sci, Xian 710069, Peoples R China

[3] Yokohama Natl Univ, Dept Chem & Life Sci, Yokohama 2408501, Japan

来源：

LANGMUIR | 2023年 / 39卷 / 12期

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

ELECTROCHEMISTRY; OBJECTS;

D O I：

10.1021/acs.langmuir.3c00120

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Recently, alternating current (AC)-bipolar electro-polymerization of 3,4-ethylenedioxythiophene (EDOT) has been reported to produce poly(3,4-ethylenedioxythiophene) (PEDOT) fibers from the terminals of bipolar electrodes in acetonitrile solution (MeCN) containing low concentrations of supporting salts in a template-free manner. Here, we extend such methodology in ionic liquid (IL) media. Three kinds of ILs, diethylmethyl(2-methoxyethyl)ammonium tetrafluoroborate ([DEME][BF4]), 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]), and diethyl m e t h y l ( 2-m e t h o x y e t h y l ) a m m o n i u m b i s-(trifluoromethylsulfonyl)imide ([DEME][TFSI]), with different electric field transmission efficiencies and diffusion coefficients were employed as solvents for the AC-bipolar electropolymerization of EDOT. A variety of PEDOT morphologies were obtained in these three ILs, showing a relationship with the physicochemical properties of the ILs. We successfully confirmed the growth of PEDOT fibers in ILs and systematically discussed the factors that influenced their growth.

引用

页码：4450 / 4455

页数：6

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