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    Photoelectrocatalytic activity of Zn-loaded RGO-TiO₂ composite coatings on mild steel substrate via DC electrochemical co-deposition

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    Photoelectrocatalytic activity of Zn-loaded RGO-TiO2 composite coatings.pdf (134.4Kb)
    Date
    2014-02
    Author
    Rakibul, Hasan
    Chin Wei, Lai
    Sharifah Bee, Abd Hamid
    Wan Jeffrey, Basirun
    Zainovia, Lockman
    Md. Fazlul, Bari, Assoc. Prof. Dr.
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    Abstract
    The photoelectrocatalytic activity of Zn-loaded reduced graphene oxide-titania (RGO-TiO₂) composite coatings on mild steel substrate was investigated in detail. Zn-loaded RGO-TiO₂ composite films were prepared by using DC electrochemical co-deposition technique onto mild steel substrate in an acid-sulphate bath electrolyte. The cyclic voltammetry and photocurrent response studies showed that the Zn-loaded RGO-TiO₂ films have improved photoelectrocatalytic performance. The embedding of metallic Zn into the RGO-TiO₂ promoted an effective charge carriers separation by minimizing the recombination losses. In this manner, metallic Zn will act as efficient photo-induced electron acceptors from the bulk of RGO-TiO₂ film. Thus, the transportation of the electrons from the working electrode to the counter electrode was improved significantly.
    URI
    http://dspace.unimap.edu.my:80/dspace/handle/123456789/35136
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    • Md. Fazlul Bari, Assoc. Prof. Dr. [29]
    • School of Materials Engineering (Articles) [553]

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