Impedance analysis of electrodeposited insulating polypyrrole

Shinichi Komaba, Tetsuya Osaka

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

To develop a general quantitative method of analyzing the process of electrodeposition of high resistance materials, the electrical resistance of electrochemically deposited insulating polypyrrole (PPy) film was measured in situ by ac impedance. By considering the potential drop across the PPy film during its formation by constant potential electrolysis, the growth of the insulating PPy film was analyzed, and an equivalent circuit describing the interfacial structure was proposed.

Original languageEnglish
Pages (from-to)19-23
Number of pages5
JournalJournal of Electroanalytical Chemistry
Volume453
Issue number1-2
DOIs
Publication statusPublished - 1998 Aug 14

Keywords

  • Electrodeposition
  • Impedance
  • Polypyrrole

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

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