Anisotropic electrical behavior of poly(3,4-ethylenedioxythiophene) films fabricated by AC bipolar electropolymerization

被引：10
|
作者：
Shida, Naoki [1 ]
Watanabe, Tempei [1 ]
Tomita, Ikuyoshi [1 ]
Inagi, Shinsuke [1 ,2 ]
机构：
[1] Tokyo Inst Technol, Sch Mat & Chem Technol, Dept Chem Sci & Engn, Midori Ku, 4259 Nagatsuta Cho, Yokohama, Kanagawa 2268502, Japan
[2] Japan Sci & Technol Agcy JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan
来源：
SYNTHETIC METALS | 2020年 / 266卷
关键词：
Conducting polymer; Bipolar electrochemistry; Anisotropic material; Current - voltage characteristics; Ohmic contact; Schottky contact; POLYMERS;
D O I：
10.1016/j.synthmet.2020.116439
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Anisotropic electrical behavior of poly(3,4-ethylenedioxythiophene) (PEDOT) films obtained by AC bipolar electropolymerization is reported. Contact behaviors of the PEDOT films with metal electrodes were found to be anisotropic and dependent on the metallic materials and their arrangement, where Schottky and Ohmic junctions were both observed on the same film. Based on the comprehensive control experiments and photoemission yield spectroscopy in air study, the anisotropic behavior of PEDOT films was attributed to the in-plane gradient doping across the film, which was given during the AC bipolar electropolymerization.
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页数：8
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