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  • Branched hydrogenated TiO2 nanorod arrays for improving photocatalytic hydrogen evolution performance under simulated solar light

    Author(s)
    Wang, Xiujie
    Zhang, Shengsen
    Xie, Yaobin
    Wang, Hongjuan
    Yu, Hao
    Shen, Yixing
    Li, Zihao
    Zhang, Shanqing
    Peng, Feng
    Griffith University Author(s)
    Zhang, Shanqing
    Year published
    2016
    Metadata
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    Abstract
    Two kinds of branched hydrogenated TiO2 nanorod arrays, i.e., hydrogenated TiO2 nanorod supported hydrogenated TiO2 branch arrays (H-BTNRs) and hydrogenated TiO2 nanorod supported unhydrogenated TiO2 branch arrays (B/H-TNRs), have been successfully designed and prepared by a facile approach. Under simulated solar light, the prepared B/H-TNRs have the highest hydrogen evolution rate of 6.65 μmol cm−2 h−1, which is 4.7 and 2.4 times those of hydrogenated TiO2 nanorod arrays (H-TNRs) and H-BTNRs, respectively. This study indicates that the heterostructure design of the unhydrogenated TiO2 branch and hydrogenated TiO2 nanorod ...
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    Two kinds of branched hydrogenated TiO2 nanorod arrays, i.e., hydrogenated TiO2 nanorod supported hydrogenated TiO2 branch arrays (H-BTNRs) and hydrogenated TiO2 nanorod supported unhydrogenated TiO2 branch arrays (B/H-TNRs), have been successfully designed and prepared by a facile approach. Under simulated solar light, the prepared B/H-TNRs have the highest hydrogen evolution rate of 6.65 μmol cm−2 h−1, which is 4.7 and 2.4 times those of hydrogenated TiO2 nanorod arrays (H-TNRs) and H-BTNRs, respectively. This study indicates that the heterostructure design of the unhydrogenated TiO2 branch and hydrogenated TiO2 nanorod promotes the separation of charge carries on the interface and enhances photocatalytic hydrogen evolution.
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    Journal Title
    International Journal of Hydrogen Energy
    Volume
    41
    Issue
    44
    DOI
    https://doi.org/10.1016/j.ijhydene.2016.09.029
    Subject
    Chemical sciences
    Inorganic chemistry not elsewhere classified
    Engineering
    Publication URI
    http://hdl.handle.net/10072/101208
    Collection
    • Journal articles

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