Separated analysis of bulk and contact resistance of conducting polymers: comparison of simultaneous 2- and 4-point measurements with impedance measurements

  • 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.

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Metadaten
Author: Ulrich Lange, Vladimir M. MirskyORCiDGND
DOI:https://doi.org/10.1016/j.jelechem.2008.06.013
ISSN:1572-6657
Title of the source (English):Journal of Electroanalytical Chemistry
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2008
Tag:Conducting polymer; Contact resistance; Four-point measurements; Polypyrrole; Simultaneous two
Volume/Year:622
Issue number:2
First Page:246
Last Page:251
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Nanobiotechnologie
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