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Issue 40, 2018
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Photochemical route for synthesizing Co–P alloy decorated ZnIn2S4 with enhanced photocatalytic H2 production activity under visible light irradiation

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Abstract

A series of amorphous Co–P alloy modified ZnIn2S4 composite samples were synthesized through a one-step photochemical method. The as-prepared samples were systematically characterized and the photocatalytic activity for H2 production under visible-light irradiation was investigated. It was found that the Co–P/ZnIn2S4 composite samples exhibited higher photocatalytic activity, which is 44 times higher than that of pure ZnIn2S4 and higher than that of the 1 wt% Pt/ZnIn2S4 sample. After modifying with amorphous Co–P alloy, the composite samples showed enhanced photocurrent, reduced photoelectric impedance, weakened fluorescence intensity and extended fluorescence lifetime, which accelerate the separation and transfer of photoinduced charge effectively, thus improving the catalytic activity of the composite sample. This work could provide a new strategy for the design and synthesis of low-cost, high-efficiency composite materials for photocatalytic hydrogen evolution and is promising for energy conversion and utilization.

Graphical abstract: Photochemical route for synthesizing Co–P alloy decorated ZnIn2S4 with enhanced photocatalytic H2 production activity under visible light irradiation

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Publication details

The article was received on 23 Jul 2018, accepted on 13 Sep 2018 and first published on 14 Sep 2018


Article type: Paper
DOI: 10.1039/C8NR05934A
Citation: Nanoscale, 2018,10, 19100-19106
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    Photochemical route for synthesizing Co–P alloy decorated ZnIn2S4 with enhanced photocatalytic H2 production activity under visible light irradiation

    Q. Liu, M. Wang, Y. He, X. Wang and W. Su, Nanoscale, 2018, 10, 19100
    DOI: 10.1039/C8NR05934A

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