In situ electrochemical strain gage monitoring of actuation in conducting polymers

被引:13
作者
Bohn, C [1 ]
Sadki, S
Brennan, AB
Reynolds, JR
机构
[1] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
[2] Univ Florida, Ctr Macromol Sci & Engn, Dept Chem, Gainesville, FL 32611 USA
[3] Ecole Normale Super, Lab Photophys & Photochim Supramol & Macromol, CNRS, UMR 8531, F-94235 Cachan, France
关键词
D O I
10.1149/1.1486451
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
This paper reports on the first use of an in situ electrochemical strain gage method for the monitoring of the mechanical properties of conducting and redox electroactive polymers as they are switched between their neutral and oxidatively doped forms. Electrodeposition of three conducting polymers, specifically polypyrrole (PPy), poly(3,4-ethylenedioxypyrrole) (PEDOP), and poly[3,6-bis(2-(3,4-ethylenedioxy)thienyl)-N-carbazole] (PBEDOT-Cz) onto gold-coated strain gages allowed direct comparison of their actuation properties. It was found that the electromechanical response of PPy was significantly larger than either PEDOP or PBEDOT-Cz. This is attributed to the ability of PPy to cross-link at the open 3- and 4-positions of the heterocycle ring during electropolymerization. (C) 2002 The Electrochemical Society.
引用
收藏
页码:E281 / E285
页数:5
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