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Direct Growth of TiO2 Nanosheet Arrays on Carbon Fibers for Highly Efficient Photocatalytic Degradation of Methyl Orange

Authors

  • Wenxi Guo,

    1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
    2. State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
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  • Fang Zhang,

    1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
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  • Changjian Lin,

    1. State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
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  • Zhong Lin Wang

    Corresponding author
    1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
    2. Beijing Institute of Nanoenergy and Nanosystems, Chinese Academia of Sciences, Beijing, China
    • School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA.
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Abstract

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Anatase TiO2 sheets with exposed high-energy (001) facets are grown on carbon fibers (CFs) by a facile hydrothermal synthetic route. The percentage of reactive facets in the TiO2 nanosheets (NSs) is calculated to vary between about 40% and 92%, depending on the synthesis conditions. In comparison with TiO2 NSs grown on a planar substrate, the TiO2 NS/CF hybrid structure exhibits a 3.38-fold improvement in photocatalytic degradation of methyl orange under UV-light irradiation.

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