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Preparation of Ta-doped TiO₂thin films by co-sputtering and their photoelectrode properties

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2008, 18(4), pp.165~168
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

Jong-Won Yoon 1

1단국대학교

Accredited

ABSTRACT

Ta-doped thin films were deposited on quartz and indium-tin oxide glass substrates using a co-sputtering method. The Ta-doped films formed a solid solution that induced structural changes from rutile to anatase phase. The anodic photocurrents of the Ta-doped TiO₂electrodes were observed not only in UV but also in the visible light range. The photocurrent response in visible light on Ta-doped TiO₂films are due to bandgap reduction.

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