The Theory of Cyclic Voltammetric Reversible Wave at Polyaniline Thin Film-Coated Electrode and Its Experimental Verification

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (8): 1140.

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The Theory of Cyclic Voltammetric Reversible Wave at Polyaniline Thin Film-Coated Electrode and Its Experimental Verification

YIN Bin, SUN Qiang, ZHANG Zu-Xun

Department of Chemistry, Nanjing University, Nanjing, 210008

Received:1993-08-06 Revised:1994-03-31 Online:1994-08-24 Published:1994-08-24

Abstract

Abstract: The theoretical equation of reversible wave in cyclic linear sweep voltammetry on polyaniline thin film-coated electrode is described. The characters of the voltammogram curves are discussed in detail.Polyaniline films were deposited on the Pt electrode by oxidative polymerization of aniline at 0.010.10 mA/cm² in 2.0 mol/L HCl solution containing 1.09mol/Lmonomer. It has been found that the polyaniline film prepared in this manner was homogeneous and uniform in its thickness.In order to examine the validity of the equation, experimental studies were carried out at the PANIthin film-coated electrode in 10mol/L HCl solution.The observed results are in good agreement with the theoretical ones.

Key words: Polyaniline thin film-coated electrode, Cyclic voltammetry, Theory of reversible wave

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YIN Bin, SUN Qiang, ZHANG Zu-Xun. The Theory of Cyclic Voltammetric Reversible Wave at Polyaniline Thin Film-Coated Electrode and Its Experimental Verification[J]. Chem. J. Chinese Universities, 1994, 15(8): 1140.

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The Theory of Cyclic Voltammetric Reversible Wave at Polyaniline Thin Film-Coated Electrode and Its Experimental Verification

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