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Journal of Applied Electrochemistry

, Volume 12, Issue 5, pp 517–523 | Cite as

The electrochemical behaviour of light-sensitive electrodes formed by coating a platinum mesh with a powdered semiconductor

  • R. S. Davidson
  • C. J. Willsher
Papers

Abstract

The formation of light-sensitive electrodes by coating a platinum mesh from an aqueous suspension of a semiconductor, is demonstrated. They behave as short-circuited semiconductor electrodes, and the shortcircuiting can be reduced by incorporation of Teflon in the coating. The photochemistry of some little investigated or uninvestigated semiconductors (metallic oxides, sulphides and chromates) is described; all respond to visible light, all are unstable on irradiation, and only p-type Pb3O4 appears useful as a photocathode. Photoacoustic spectra of some of these materials are presented. The shortcomings, and possible improvements, of this photoelectrode preparation method are discussed.

Keywords

Oxide Physical Chemistry Sulphide Chromate Platinum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1982

Authors and Affiliations

  • R. S. Davidson
    • 1
  • C. J. Willsher
    • 1
  1. 1.Department of ChemistryThe City UniversityLondonUK

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