Electrochemical impedance spectroscopy of thin films with two mobile charge carriers: Effects of the interfacial charging

Mikhail A. Vorotyntsev, Jean Pierre Badiali, G. Inzelt

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

The alternating current passage across a thin film containing mobile charge carriers of two types, electrons and counterions was analyzed. The contributions at the interfaces related to the Faradaic processes and to the double-layer charging were taken into consideration `ab initio'. Analytical expressions for the complex impedance were obtained for three principal arrangements of the system, m|f|m′ (film between two electronic conductors), s′|f|s (membrane, film between two solutions) and m|f|s (modified electrode). These formulas contain four characteristics of each interface α(α = m|F or f|s), Rα (charge transfer resistance), Cα (interfacial capacitance), teα = 1-tiα (double-layer numbers) and Cμα (asymmetry factor).

Original languageEnglish
Pages (from-to)7-19
Number of pages13
JournalJournal of Electroanalytical Chemistry
Volume472
Issue number1
DOIs
Publication statusPublished - Aug 24 1999

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Charge carriers
Electrochemical impedance spectroscopy
Thin films
Charge transfer
Capacitance
Membranes
Electrodes
Electrons

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

Electrochemical impedance spectroscopy of thin films with two mobile charge carriers : Effects of the interfacial charging. / Vorotyntsev, Mikhail A.; Badiali, Jean Pierre; Inzelt, G.

In: Journal of Electroanalytical Chemistry, Vol. 472, No. 1, 24.08.1999, p. 7-19.

Research output: Contribution to journalArticle

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