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  • Visible Light Active Pure Rutile TiO2 Photoanodes with 100% Exposed Pyramid-Shaped (111) Surfaces

    Author(s)
    Liu, Xiaolu
    Zhang, Haimin
    Yao, Xiangdong
    An, Taicheng
    Liu, Porun
    Wang, Yun
    Peng, Feng
    Carroll, Anthony R
    Zhao, Huijun
    Griffith University Author(s)
    Zhao, Huijun
    Carroll, Anthony R.
    Liu, Porun
    Wang, Yun
    Year published
    2012
    Metadata
    Show full item record
    Abstract
    A pure rutile TiO2 photoanode with 100% exposed pyramid-shaped (111) surfaces has been directly synthesized on a fluorine-doped tin oxide (FTO) conducting substrate via a facile one-pot hydrothermal method. The resulting rutile TiO2 film on the FTO substrate possessed a film thickness of ca. 5 μm and showed good mechanical stability. After calcination at 450 °C for 2 h in argon (Ar), the fabricated rutile TiO2 films with 100% exposed pyramid-shaped (111) surfaces were used as photoanodes, exhibiting excellent visible light photoelectrocatalytic activity toward oxidation of water and organics. The excellent visible light ...
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    A pure rutile TiO2 photoanode with 100% exposed pyramid-shaped (111) surfaces has been directly synthesized on a fluorine-doped tin oxide (FTO) conducting substrate via a facile one-pot hydrothermal method. The resulting rutile TiO2 film on the FTO substrate possessed a film thickness of ca. 5 μm and showed good mechanical stability. After calcination at 450 °C for 2 h in argon (Ar), the fabricated rutile TiO2 films with 100% exposed pyramid-shaped (111) surfaces were used as photoanodes, exhibiting excellent visible light photoelectrocatalytic activity toward oxidation of water and organics. The excellent visible light activity of the pure rutile TiO2 film photoanode can be attributed to the Ti3+ doping in the bulk and high reactivity of the {111} crystal facets. Such a pure rutile TiO2 film with highly reactive (111) surfaces is a promising material for visible light photocatalysis and solar energy conversion.
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    Journal Title
    Nano Research
    Volume
    5
    Issue
    11
    DOI
    https://doi.org/10.1007/s12274-012-0259-5
    Subject
    Electroanalytical chemistry
    Other environmental sciences not elsewhere classified
    Nanomaterials
    Publication URI
    http://hdl.handle.net/10072/48294
    Collection
    • Journal articles

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