Stability of conductance in electroinactive polypyrrole

Tetsuya Osaka, Zhiyu Jiang, Toshiyuki Momma, Himeko Kanagawa

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The stability of conductance in electropolymerized insulating polypyrrole under application of a high voltage was investigated using a metal-insulator-metal-type diode device. The conductance varied over time due to application of the voltage, and the current-time profiles were classified into three types according to the level of the applied voltage. In the very low voltage region the conductance was stable; in the middle voltage region the conductance increased to a stable value; and in the high voltage region the conductance first increased and then decreased. The mechanism of the change in conductance, the UV-Vis absorption spectra and the photo-radiated current behaviour are dismissed.

Original languageEnglish
Pages (from-to)268-271
Number of pages4
JournalThin Solid Films
Volume237
Issue number1-2
DOIs
Publication statusPublished - 1994 Jan 1

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polypyrroles
Polypyrroles
Electric potential
high voltages
electric potential
Metals
metals
low voltage
polypyrrole
Absorption spectra
Diodes
diodes
insulators
absorption spectra
profiles

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Stability of conductance in electroinactive polypyrrole. / Osaka, Tetsuya; Jiang, Zhiyu; Momma, Toshiyuki; Kanagawa, Himeko.

In: Thin Solid Films, Vol. 237, No. 1-2, 01.01.1994, p. 268-271.

Research output: Contribution to journalArticle

Osaka, Tetsuya ; Jiang, Zhiyu ; Momma, Toshiyuki ; Kanagawa, Himeko. / Stability of conductance in electroinactive polypyrrole. In: Thin Solid Films. 1994 ; Vol. 237, No. 1-2. pp. 268-271.
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