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    Preparation and characterization of Fe-Ni/TiO2 nanotube array electrodes and their photoeletrocatalytic activity for dechlorination of pentachlorophenol

    Access Status
    Fulltext not available
    Authors
    Tan, J.
    Li, Xin Yong
    Moses, T.
    Liu, Shaomin
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Tan, J. and Li, X.Y. and Moses, T. and Liu, S. 2012. Preparation and characterization of Fe-Ni/TiO2 nanotube array electrodes and their photoeletrocatalytic activity for dechlorination of pentachlorophenol. Chemical Journal of Chinese Universities. 33 (12): pp. 2703-2707.
    Source Title
    Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities
    DOI
    10.7503/cjcu20120325
    ISSN
    0251-0790
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/32347
    Collection
    • Curtin Research Publications
    Abstract

    The Fe-Ni/TiO2 nanotube array electrodes with different metal loadings were fabricated by the anodic oxidation method, followed by a dipping and electro-deposition technique. Scanning electron microscopy(SEM), X-ray photoelectron spectroscopy(XPS) and electrochemical measurements were employed to characterize the catalysts. The photoelectrocatalytic(PEC) reductive degradation of pentachloroph-enol(PCP) by the catalysts was investigated at 0.6 V bias potential in 2-propanol solution. The results indicate that the proper Fe and Ni nanoparticles depositing on the TiO2 nanotube array electrodes could reduce the recombination probability of photoinduced electron and hole. The PEC reductive degradation efficiency of PCP over Fe-Ni/TiO2 nanotube array electrodes with dipping and electro-deposition for 5 cycles could be above 91.35%, much faster than TiO2 nanotube electrodes.

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