NiPS3 ultrathin nanosheets as versatile platform advancing highly active photocatalytic H2 production

被引：0
作者：
Jingrun Ran
Hongping Zhang
Sijia Fu
Mietek Jaroniec
Jieqiong Shan
Bingquan Xia
Yang Qu
Jiangtao Qu
Shuangming Chen
Li Song
Julie M. Cairney
Liqiang Jing
Shi-Zhang Qiao
机构：
[1] University of Adelaide,School of Chemical Engineering and Advanced Materials
[2] Southwest University of Science and Technology,State Key Laboratory of Environmentally Friendly Energy Materials, Engineering Research Center of Biomass Materials (Ministry of Education), School of Materials Science and Engineering
[3] Kent State University,Department of Chemistry and Biochemistry & Advanced Materials and Liquid Crystal Institute
[4] Heilongjiang University,Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry and Materials Science, International Joint Research Center for Catalytic Technology
[5] The University of Sydney,Australian Centre for Microscopy and Microanalysis
[6] University of Science and Technology of China,National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience
[7] The University of Sydney,School of Physics
来源：
Nature Communications | / 13卷
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摘要：
High-performance and low-cost photocatalysts play the key role in achieving the large-scale solar hydrogen production. In this work, we report a liquid-exfoliation approach to prepare NiPS3 ultrathin nanosheets as a versatile platform to greatly improve the light-induced hydrogen production on various photocatalysts, including TiO2, CdS, In2ZnS4 and C3N4. The superb visible-light-induced hydrogen production rate (13,600 μmol h−1 g−1) is achieved on NiPS3/CdS hetero-junction with the highest improvement factor (~1,667%) compared with that of pure CdS. This significantly better performance is attributed to the strongly correlated NiPS3/CdS interface assuring efficient electron-hole dissociation/transport, as well as abundant atomic-level edge P/S sites and activated basal S sites on NiPS3 ultrathin nanosheets advancing hydrogen evolution. These findings are revealed by the state-of-art characterizations and theoretical computations. Our work for the first time demonstrates the great potential of metal phosphorous chalcogenide as a general platform to tremendously raise the performance of different photocatalysts.
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