New In_2 O_3 (ZnO)_m Photocatalysts with Laminal Structure for Visible Light-induced H_2 or O_2 Evolution from Aqueous Solutions Containing Sacrificial Reagents

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著者

    • KUDO Akihiko
    • Department of Applied Chemistry, Faculty of Science, Science University of Tokyo
    • MIKAMI Ikko
    • Department of Applied Chemistry, Faculty of Science, Science University of Tokyo

抄録

In<SUB>2</SUB>O<SUB>3</SUB>(ZnO)<SUB>m</SUB> powder with laminal structure like a superlattice showed photocatalytic activities for H<SUB>2</SUB> evolution from an aqueous methanol solution and O<SUB>2</SUB> evolution from an aqueous silver nitrate solution under visible light irradiation (λ > 420 nm). Anodic photocurrent was also observed under visible light irradiation (λ > 480 nm) when In<SUB>2</SUB>O<SUB>3</SUB>(ZnO)<SUB>m</SUB> sintered electrodes were employed. The band gaps of In<SUB>2</SUB>O<SUB>3</SUB>(ZnO)<SUB>3</SUB> and In<SUB>2</SUB>O<SUB>3</SUB>(ZnO)<SUB>9</SUB> were 2.6 and 2.7eV, respectively, which were smaller than those of In<SUB>2</SUB>O<SUB>3</SUB> and ZnO of starting materials.

収録刊行物

  • Chemistry letters

    Chemistry letters 1998(10), 1027-1028, 1998-10-05

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004700140
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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