Metal and Metal Oxide Nanoparticles for Photoelectrochemical Materials and Devices

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  • TAKAHASHI Yukina
    Department of Applied Chemistry, Faculty of Engineering, Kyushu University Institute of Industrial Science, The University of Tokyo
  • YAMADA Sunao
    Department of Applied Chemistry, Faculty of Engineering, Kyushu University
  • TATSUMA Tetsu
    Institute of Industrial Science, The University of Tokyo

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We have developed three types of photoelectrochemical nanomaterials and devices based on metal and/or semiconducting metal oxide nanoparticles for effective use of light energy. Photocatalysts with oxidative energy storage abilities were developed by coupling a photocatalyst with a rechargeable metal oxide or metal hydroxide nanomaterial to address an issue that TiO2 photocatalyst does not function after dark. Plasmonic metal nanoparticle ensembles were thermally and/or chemically stabilized by using a metal oxide nanomask or ultrathin metal oxide coating and applied to localized surface plasmon resonance sensors and photovoltaic cells based on the plasmon-induced charge separation. Organic and organic-inorganic hybrid photoelectrodes were also developed to give photocurrents enhanced by optimally arranged plasmonic metal nanoantennas.

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  • Electrochemistry

    Electrochemistry 82 (9), 726-729, 2014

    公益社団法人　電気化学会

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