Abstract
A polypyrrole electrode with ferrocene mediator is prepared and its sensitivity to hydrogen peroxide is investigated. The polypyrrole is deposited upon a 0.5 cm2 Pt plate by the polymerization of pyrrole by scanning the electrode potential between 0.0 and 0.9 V at a scan rate of 50 mV/s. The platinum/polypyrrole-ferrocene (Pt/PPy-Fc) electrode is prepared by adding ferrocene to the coverage medium. The electrode’s sensitivity to hydrogen peroxide is investigated at room temperature using 0.025 M phosphate buffer at pH 7. The working potential is 0.7 V, the concentrations of pyrrole and ferrocene are 0.2 M and 10 mM. Polypyrrole was coated on the electrode surface within 26 cycles.
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Published in Russian in Elektrokhimiya, 2006, Vol. 42, No. 2, pp. 160–164.
The text was submitted by the authors in English.
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Arslan, F., Yaşar, A. & Kiliç, E. Preparation of Pt/polypyrrole-ferrocene hydrogen peroxide sensitive electrode for the use as a biosensor. Russ J Electrochem 42, 137–140 (2006). https://doi.org/10.1134/S1023193506020042
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DOI: https://doi.org/10.1134/S1023193506020042