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Alkali Metal Ion-Modified Vanadium Mononuclear Complex for Photocatalytic Mineralization of Organic Compounds

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Abstract

Modification of silica-supported vanadium oxide (VS) photocatalysts with alkali metal ions enhanced the photocatalytic activity of the vanadium(V) mononuclear complex for oxidative decomposition of gaseous organic compounds into carbon dioxide. Action spectrum analysis revealed that the onset wavelength for cesium-ion-modified VS was 420 nm, which was ca. 20 nm longer than that with a titania photocatalyst, P25.

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Acknowledgments

The authors thank Dr. Toshifumi Iimori and Professor Nobuhiro Ohta (Research Institute for Electronic Science, Hokkaido University) for the measurement of photoluminescence spectra. This work was supported in part by Grant-in-Aid for Young Scientists (B) (No. 21750202) from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.

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Authors and Affiliations

  1. Catalysis Research Center, Hokkaido University, Sapporo, 001-0021, Japan

    Fumiaki Amano & Bunsho Ohtani

  2. Graduate School of Environmental Science, Hokkaido University, Sapporo, 060-0810, Japan

    Fumiaki Amano, Masako Tanaka & Bunsho Ohtani

Authors
  1. Fumiaki Amano
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  2. Masako Tanaka
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  3. Bunsho Ohtani
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Correspondence to Fumiaki Amano.

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Amano, F., Tanaka, M. & Ohtani, B. Alkali Metal Ion-Modified Vanadium Mononuclear Complex for Photocatalytic Mineralization of Organic Compounds. Catal Lett 140, 27–31 (2010). https://doi.org/10.1007/s10562-010-0432-y

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  • DOI: https://doi.org/10.1007/s10562-010-0432-y

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