Journal
NANOSCALE
Volume 10, Issue 40, Pages 19100-19106Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nr05934a
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Funding
- NSFC [U1305242, 21373050, 21607153]
- National Key Basic Research Program of China (973 Program) [2013CB632405, 2014CB239303, 2014CB260410, 2014BAC13B03]
- Independent Research Project of State Key Laboratory of Photocatalysis on Energy and Environment [SKLPEE2017B01]
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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 H-2 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.
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