Photoresponsive electrode based on the reaction between oxygen and the excited Ru(bpy)2+ 3 complex incorporated in a coated Nafion film

Yukihiko Ueno, Kazunobu Yamada, Tomohiro Yokota, Koji Ikeda, Nobuo Takamiya, Masao Kaneko

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A photoresponsive electrode was prepared by coating a Nafion film on a indium tin oxide (ITO) electrode incorporating the Ru(bpy)2+ 3 complex in the film. A photocurrent was induced at the coated electrode dipped in an aqueous electrolyte in the presence of oxygen. The action spectrum showed that the photocurrent is based on the reaction between O2 and the excited Ru complex. Viologen molecules present as a solute or as the second film on the top of the Nafion[Ru(bpy)2+ 3] film increase the induced photocurrent by about a factor of two by working as a mediator between the excited Ru(bpy)2+ 3 and O2.

Original languageEnglish
Pages (from-to)129-133
Number of pages5
JournalElectrochimica Acta
Volume38
Issue number1
DOIs
Publication statusPublished - 1993

Fingerprint

Photocurrents
Oxygen
Electrodes
Viologens
Tin oxides
Indium
Electrolytes
Coatings
Molecules
bis(bipyridyl)ruthenium(II)
perfluorosulfonic acid

Keywords

  • 2′-bipyridine)ruthenium(II)
  • Nafion.
  • photoresponsive electrode
  • polymeric viologen
  • polysiloxane
  • tris(2

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

Photoresponsive electrode based on the reaction between oxygen and the excited Ru(bpy)2+ 3 complex incorporated in a coated Nafion film. / Ueno, Yukihiko; Yamada, Kazunobu; Yokota, Tomohiro; Ikeda, Koji; Takamiya, Nobuo; Kaneko, Masao.

In: Electrochimica Acta, Vol. 38, No. 1, 1993, p. 129-133.

Research output: Contribution to journalArticle

Ueno, Yukihiko ; Yamada, Kazunobu ; Yokota, Tomohiro ; Ikeda, Koji ; Takamiya, Nobuo ; Kaneko, Masao. / Photoresponsive electrode based on the reaction between oxygen and the excited Ru(bpy)2+ 3 complex incorporated in a coated Nafion film. In: Electrochimica Acta. 1993 ; Vol. 38, No. 1. pp. 129-133.
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AU - Kaneko, Masao

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