期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 140, 期 45, 页码 15145-15148出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b07721
关键词
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资金
- National Research Foundation (NRF) of Singapore via the NRF investigatorship [NRF-NRFI2016-04]
Here we demonstrate the delicate design and construction of hierarchical Co9S8@ZnIn2S4 heterostructured cages as an efficient photocatalyst for hydrogen evolution with visible light. Two photoactive sulfide semiconductors are rationally integrated into a hierarchical hollow structure with strongly coupled heterogeneous shells and two-dimensional ultrathin subunits. The unique architecture can efficiently facilitate the separation and transfer of light-induced charges, offer large surface area, and expose rich active sites for photocatalytic redox reactions. Owing to the distinctive structural and compositional benefits, the hierarchical Co9S8@ZnIn2S4 hollow heterostructures without using any cocatalysts show remarkable activity with a hydrogen-producing rate of 6250 mu mol h(-1) g(-1) and high stability for photocatalytic water splitting.
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