Photocatalytic Water Splitting into H_2 and O_2 over R_2Ti_2O_7 (R = Y, Rare Earth) with Pyrochlore Structure

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著者

    • ABE Ryu
    • National Institute of Advanced Industrial Science and Technology (AIST)
    • ZOU Zhigang
    • National Institute of Advanced Industrial Science and Technology (AIST)
    • SAYAMA Kazuhiro
    • National Institute of Advanced Industrial Science and Technology (AIST)
    • ABE Yoshimoto
    • Faculty of Science and Technology, Tokyo University of Science

抄録

Titanate pyrochlores R<SUB>2</SUB>Ti<SUB>2</SUB>O<SUB>7</SUB> (R = Y, rare earth) were synthesized by a polymerized complex (PC) technique and used as photocatalysts for the splitting of water into H<SUB>2</SUB> and O<SUB>2</SUB>. NiO<I><SUB>x</SUB></I>-loaded Y<SUB>2</SUB>Ti<SUB>2</SUB>O<SUB>7</SUB>, the first example of an active photocatalyst with a pyrochlore structure, demonstrated efficient evolution of H<SUB>2</SUB> and O<SUB>2</SUB> in a stoichiometric ratio from pure water under UV-light irradiation, whereas R<SUB>2</SUB>Ti<SUB>2</SUB>O<SUB>7</SUB> compounds with partly filled 4f orbitals showed quite low activity.

収録刊行物

  • Chemistry letters

    Chemistry letters 33(8), 954-955, 2004-08-05

    公益社団法人 日本化学会

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各種コード

  • NII論文ID(NAID)
    10013447291
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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