イオンビームアシスト蒸着法を用いた酸化チタン薄膜へのクロム添加による光触媒特性への影響  [in Japanese] Influence on Photocatalytic Properties by Doping of Chromium to Titanium Oxide Thin Films using Ion Beam Assisted Deposition Method  [in Japanese]

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Abstract

The photocatalytic properties of Cr-doped TiO<SUB>2</SUB> films was investigated by the immersion test in a methylene blue solution under UV light irradiation. The Cr/TiO<SUB>2</SUB> films were prepared as follows; after TiO<SUB>2</SUB> film was prepared on a slide glass substrate by He<SUP>+</SUP>-ion beam assisted reactive deposition method (He<SUP>+</SUP>-IBARD), Cr was doped into TiO<SUB>2</SUB> films by Ar<SUP>+</SUP>-ion beam assisted deposition method (Ar<SUP>+</SUP>-IBAD).<BR>In the Ar<SUP>+</SUP>-IBAD method, Ar<SUP>+</SUP> ion irradiation was carried out during Cr evaporation in order to form the mixing layer of Cr and TiO<SUB>2</SUB>. Ar<SUP>+</SUP> ions played an important role to knock on Cr atoms into TiO<SUB>2</SUB> film. The rate of absorbance change for blank of Cr/TiO<SUB>2</SUB> film showed higher value than that of TiO<SUB>2</SUB> film under UV light irradiation. In order to improve photocatalytic properties of Cr-doped TiO<SUB>2</SUB> films, it was required that doped-Cr showed the metal state and amorphous structure.

Journal

  • Shinku

    Shinku 45(3), 231-234, 2002-03-20

    The Vacuum Society of Japan

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Codes

  • NII Article ID (NAID)
    10008203031
  • NII NACSIS-CAT ID (NCID)
    AN00119871
  • Text Lang
    JPN
  • Article Type
    SHO
  • ISSN
    05598516
  • NDL Article ID
    6144536
  • NDL Source Classification
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL Call No.
    Z16-474
  • Data Source
    CJP  NDL  J-STAGE 
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