STUDY OF ELECTROPOLIMERIZATION PROCESSES OF PYRROLE BY CYCLIC VOLTAMMETRIC TECHNIQUE

https://doi.org/10.22146/ijc.21864

Adhitasari Suratman(1*), Buchari Buchari(2), Indra Noviandri(3), Suryo Gandasasmita(4)

(1) Chemistry Department, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Yogyakarta
(2) Chemistry Department, Faculty of Mathematics and Natural Sciences Institute of Technology Bandung
(3) Chemistry Department, Faculty of Mathematics and Natural Sciences Institute of Technology Bandung
(4) Chemistry Department, Faculty of Mathematics and Natural Sciences Institute of Technology Bandung
(*) Corresponding Author

Abstract


Electropolymerization processes and electrochemical properties of polypyrrole as electroactive polymer have been studied by cyclic voltammetric technique. Pyrrole was electropolymerized to form polypyrrole in water-based solvent containing sodium perchlorate as supporting electrolyte in several pH values. The pH of the solutions were varied by using Britton Robinson buffer. The results showed that oxidation potential limit of electropolymerization processes of pyrrole was 1220 mV vs Ag/AgCl reference electrode. It can be seen that cyclic voltammetric respon of polypyrrole membrane that was prepared by electropolymerization processes of pyrrole at the scanning rate of 100 mV/s was stable. While the processes of pyrrole electropolymerization carried out at the variation of pH showed that the best condition was at the pH range of 2 - 6.

 

Keywords: polypyrolle, electropolymer, voltammetric technique

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DOI: https://doi.org/10.22146/ijc.21864

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Indonesian Journal of Chemisty (ISSN 1411-9420 / 2460-1578) - Chemistry Department, Universitas Gadjah Mada, Indonesia.

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