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

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 and Shi-Zhang Qiao ()
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Jingrun Ran: University of Adelaide
Hongping Zhang: Southwest University of Science and Technology
Sijia Fu: University of Adelaide
Mietek Jaroniec: Kent State University
Jieqiong Shan: University of Adelaide
Bingquan Xia: University of Adelaide
Yang Qu: Heilongjiang University
Jiangtao Qu: The University of Sydney
Shuangming Chen: University of Science and Technology of China
Li Song: University of Science and Technology of China
Julie M. Cairney: The University of Sydney
Liqiang Jing: Heilongjiang University
Shi-Zhang Qiao: University of Adelaide

Nature Communications, 2022, vol. 13, issue 1, 1-17

Abstract: Abstract 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.

Date: 2022
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DOI: 10.1038/s41467-022-32256-6

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