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  • Cu2O clusters grown on TiO2 nanoplates as efficient photocatalysts for hydrogen generation

    Author(s)
    Zhao, Kun
    Zhao, Shenlong
    Qi, Jian
    Yin, Huajie
    Gao, Chao
    Khattak, Abdul Muqsit
    Wu, Yijin
    Iqbal, Azhar
    Wu, Lei
    Gao, Yan
    Yu, Ranbo
    Tang, Zhiyong
    Griffith University Author(s)
    Tang, Zhiyong
    Yin, Huajie
    Year published
    2016
    Metadata
    Show full item record
    Abstract
    Conversion of solar energy into chemical energy in the form of so-called “solar fuels”, e.g., hydrogen, methane etc., is considered as one of the most promising methods to solve the future energy and environment challenges. Herein, ultrafine Cu2O clusters are in situ uniformly grown on the surface of TiO2 nanoplates (Cu2O/TiO2) via a one-pot hydrothermal method. The morphology and structure of Cu2O/TiO2 products are investigated by different characterization techniques. Furthermore, a detailed study on photocatalytic hydrogen generation demonstrates that the charge transfer of TiO2 with Cu2O loading is significantly accelerated, ...
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    Conversion of solar energy into chemical energy in the form of so-called “solar fuels”, e.g., hydrogen, methane etc., is considered as one of the most promising methods to solve the future energy and environment challenges. Herein, ultrafine Cu2O clusters are in situ uniformly grown on the surface of TiO2 nanoplates (Cu2O/TiO2) via a one-pot hydrothermal method. The morphology and structure of Cu2O/TiO2 products are investigated by different characterization techniques. Furthermore, a detailed study on photocatalytic hydrogen generation demonstrates that the charge transfer of TiO2 with Cu2O loading is significantly accelerated, leading to high charge separation efficiency. Impressively, Cu2O/TiO2 exhibits superior catalytic activity towards water reduction, which is even higher than that of TiO2 loaded with noble metal Au nanoparticles. The strategy, facilitating charge transfer by construction of a heterojunction interface with cheap transition metal oxides, will offer the opportunity toward practical application of nanomaterials in energy conversion.
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    Journal Title
    Inorganic Chemistry Frontiers
    Volume
    3
    Issue
    4
    DOI
    https://doi.org/10.1039/c5qi00284b
    Subject
    Inorganic chemistry
    Macromolecular and materials chemistry not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/172610
    Collection
    • Journal articles

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