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    Photo-induced activity of BiFeO3/TiO2 nanotube arrays derived from ultrasound-assisted successive ionic layer adsorption and reaction

    Access Status
    Fulltext not available
    Authors
    Zhao, Q.
    Ren, Y.
    Li, Xin Yong
    Shi, Y.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhao, Q. and Ren, Y. and Li, X.Y. and Shi, Y. 2016. Photo-induced activity of BiFeO3/TiO2 nanotube arrays derived from ultrasound-assisted successive ionic layer adsorption and reaction. Materials Research Bulletin. 83: pp. 396-399.
    Source Title
    Materials Research Bulletin
    DOI
    10.1016/j.materresbull.2016.06.031
    ISSN
    0025-5408
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/41133
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Elsevier LtdIn this work, a facile strategy of ultrasound-assisted successive ionic layer adsorption and reaction was successfully employed to modify TiO2 nanotube arrays with BiFeO3 nanoparticles. An enhanced positive surface photovoltage was observed with the obtained BiFeO3/TiO2 nanotube arrays as well as a longer lifetime of charges separation state, as probed by transient photovoltage technique. The higher photocurrent density produced by BiFeO3/TiO2 nanotube arrays further indicated that BiFeO3 nanoparticles contributed to photo conversion and promoted the generation of photo-induced charge carriers over TiO2 nanotube arrays. Besides, the prepared BiFeO3/TiO2 electrode exhibited a much enhanced photoelectrocatalytic performance in removing methyl blue compared with bare TiO2 nanotube arrays.

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