Photo-effects of metal oxide electrode. I. Photoelectrochemical processes on a silver-silver oxide electrode and the influence of ethylene glycol.

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概要

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• The influence of light excitation on the anodic oxidation of a silver electrode in alkaline solutions has been studied. The experimental results have shown that, in addition to the formation of Ag(II) species by a reaction of Ag(I) species with photo-generated holes, illumination in the Ag<SUB>2</SUB>O formation region causes the photogeneration of Ag(I) species at the metal/oxide interface. In the presence of ethylene glycol, the so-called current doubling phenomenon was found. This phenomenon has been interpreted in terms of a mechanism involving a catalytic reaction of the glycol with the photogenerated Ag(II) species, and not by a mechanism involving the oxidation of glycol by the photo-generated holes.

• 公益社団法人 日本化学会の論文

著者

• Miyoshi Shuji

  Department Of Earth And Ocean Sciences National Defense Academy

• KUNUGI AKIRA

  Department of Analytical Chemistry, Tokyo College of Pharmacy

• Kunugi Akira

  Department of Applied Chemistry, Faculty of Engineering, Osaka City University

• Nagaura Shigeo

  Department of Applied Chemistry, Faculty of Engineering, Osaka City University

• Miyoshi Shuji

  Department of Applied Chemistry, Faculty of Engineering, Osaka City University

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