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首页> 外文期刊>Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry >Separated analysis of bulk and contact resistance of conducting polymers: Comparison of simultaneous two- and four-point measurements with impedance measurements
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Separated analysis of bulk and contact resistance of conducting polymers: Comparison of simultaneous two- and four-point measurements with impedance measurements

机译:导电聚合物的体积和接触电阻的分离分析:同时进行的两点和四点测量与阻抗测量的比较

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摘要

Simultaneous measurements of conductive polymer by two-and four-point techniques were used for evaluation of the contact resistance for the polymer/metal interface. An experimental validation of this approach was performed for polypyrrole electrochemically deposited on gold electrodes. The dependence of contact resistance on the electrode potential versus reference electrode was measured. The results were compared with the corresponding dependence obtained from impedance spectroscopy. Both techniques provide almost identical data while the new approach is easier, faster and independent on selection of equivalent circuits. (C) 2008 Elsevier B.V. All rights reserved.
机译:通过两点和四点技术同时测量导电聚合物可用于评估聚合物/金属界面的接触电阻。对电化学沉积在金电极上的聚吡咯进行了该方法的实验验证。测量了接触电阻对电极电势相对于参比电极的依赖性。将结果与从阻抗谱获得的相应依赖性进行了比较。两种技术都提供几乎相同的数据,而新方法更容易,更快捷且与选择等效电路无关。 (C)2008 Elsevier B.V.保留所有权利。

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