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Composite of Rh y Cr2−y O3/(Ga1−x Zn x )(N1−x O x ) Photocatalysts with Hydrophobic Polytetrafluoroethylene (PTFE) Membranes for the Fabrication of Novel Reaction Sites for Water Vapor Splitting Under Visible Light

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Abstract

Rh y Cr2−y O3/(Ga1−x Zn x )(N1−x O x ) photocatalysts immobilized in polytetrafluoroethylene (PTFE) membranes has been investigated for the design of novel reaction sites. In the case of hydrophobic PTFE membranes, the Rh y Cr2−y O3/(Ga1−x Zn x )(N1−x O x ) photocatalyst simultaneously evolved both H2 and O2, even from an aqueous AgNO3 solution as sacrificial reagent. This indicates that water vapor was split into H2 and O2 by the Rh y Cr2−y O3/(Ga1−x Zn x )(N1−x O x ) photocatalyst particles in the hydrophobic pores of PTFE.

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Acknowledgments

This work was partly supported by a Grant-in-Aid for Specially Promoted Research (#23000009) of the Japan Society for the Promotion of Science (JSPS) and the Advanced Low Carbon Technology Research and Development Program (ALCA) of the Japan Science and Technology Agency (JST). This work also contributes to the international exchange program of the A3 Foresight Program of JSPS.

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Authors and Affiliations

  1. Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan

    Shunsuke Isogai, Anke Xiong, Kazuhiko Maeda, Tsutomu Minegishi, Jun Kubota & Kazunari Domen

  2. NiKKi Fron Co., Ltd, 409-2 Hoyasu, Nagano, 381-0003, Japan

    Wataru Kawamura, Satoshi Itabashi & Hideyuki Kasuga

Authors
  1. Shunsuke Isogai
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  2. Anke Xiong
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  3. Wataru Kawamura
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  4. Satoshi Itabashi
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  5. Hideyuki Kasuga
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  6. Kazuhiko Maeda
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  7. Tsutomu Minegishi
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  8. Jun Kubota
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  9. Kazunari Domen
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Corresponding author

Correspondence to Kazunari Domen.

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Isogai, S., Xiong, A., Kawamura, W. et al. Composite of Rh y Cr2−y O3/(Ga1−x Zn x )(N1−x O x ) Photocatalysts with Hydrophobic Polytetrafluoroethylene (PTFE) Membranes for the Fabrication of Novel Reaction Sites for Water Vapor Splitting Under Visible Light. Catal Lett 143, 150–153 (2013). https://doi.org/10.1007/s10562-012-0950-x

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  • DOI: https://doi.org/10.1007/s10562-012-0950-x

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