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Disordered Co1.28Mn1.71O4 as a Visible-Light-Responsive Photocatalyst for Hydrogen Evolution

Authors

  • Zu Peng Chen,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237 (P. R. China), Fax: (+86) 21-64252127
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  • Dr. Jun Xing,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237 (P. R. China), Fax: (+86) 21-64252127
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  • Dr. Hai Bo Jiang,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237 (P. R. China), Fax: (+86) 21-64252127
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  • Prof. Dr. Hua Gui Yang

    Corresponding author
    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237 (P. R. China), Fax: (+86) 21-64252127
    • Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237 (P. R. China), Fax: (+86) 21-64252127

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Abstract

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Catching the sunlight: The disordered Co1.28Mn1.71O4 was synthesized by a facile reduction method in the presence of amorphous MnO2 precursors and Co2+. It exhibits relatively high hydrogen-production activity under visible-light irradiation (see figure). The larger number of active sites in the bulk catalyst endow nanoparticles with improved water-reduction activity. This is the first demonstration of disordered ternary oxides for visible-light-driven hydrogen evolution in the absence of a cocatalyst.

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