Analysis of the long-term potential stability of an all-solid-state potassium-selective electrode with electroactive polypyrrole film

Toshiyuki Momma, Mayumi Yamamoto, Shinichi Komaba, Tetsuya Osaka

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

By coating an electroactive polypyrrole (PPy) film electrode with a plasticized poly(vinyl chloride) (PVC) membrane containing valinomycin, an all-solid-state potassium-selective electrode was fabricated. The polymerizing conditions of the PPy film were optimized for stable ionic responses. The electrochemical characteristics of these electrode systems were evaluated by an a.c. impedance method with respect to the mechanism of potential drift. The steady-state response over several days, which depended on the electrode configuration, was related to the impedance behavior of the electrode systems.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalJournal of Electroanalytical Chemistry
Volume407
Issue number1-2
Publication statusPublished - 1996 May 10

Fingerprint

Polypyrroles
Potassium
Electrodes
Vinyl Chloride
Valinomycin
Polyvinyl Chloride
Polyvinyl chlorides
polypyrrole
Membranes
Coatings

Keywords

  • All-solid-state potassium-selective electrode
  • Electrochemistry
  • Electropolymerisation
  • Polypyrrole film

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

Analysis of the long-term potential stability of an all-solid-state potassium-selective electrode with electroactive polypyrrole film. / Momma, Toshiyuki; Yamamoto, Mayumi; Komaba, Shinichi; Osaka, Tetsuya.

In: Journal of Electroanalytical Chemistry, Vol. 407, No. 1-2, 10.05.1996, p. 91-96.

Research output: Contribution to journalArticle

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