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- W3203460770 abstract "The unique architecture is very significant for photocatalysts to achieve high photocatalytic efficiency. Herein, hollow Cu 2 MoS 4 /ZnIn 2 S 4 heterostructural nanocubes with intimate-contact interface have been prepared for the first time via a self-template way, which can promote the photocatalysis hydrogen evolution. First, novel hollow structured Cu 2 MoS 4 nanocubes were successfully synthesized using Cu 2 O as a precursor, then the ZnIn 2 S 4 nanosheets were in-situ grew on the surface of hollow Cu 2 MoS 4 nanocubes. The unique hollow heterostructures have markedly enhanced photocatalytic efficiency, and 15 wt% Cu 2 MoS 4 /ZnIn 2 S 4 sample exhibits the highest hydrogen production rate of 8103 μmol·h −1 ·g −1 , which is approximately four times higher than pure ZnIn 2 S 4 . The improved photocatalytic performance is mainly attributed to the following two points: (1) the hollow nanocube structure can provide rich active sites and increase light absorption; (2) forming a built-in electric field is conducive to transfer the holes generated by ZnIn 2 S 4 to Cu 2 MoS 4 , which can effectively promote charge separation. This work may provide insights for the design of hollow architecture cage materials for high photocatalytic performance. The hollow nanocubes structures can provide rich active sites and increase light absorption, and the built-in electric field can promote the charge separation by transferring the holes from the VB of ZnIn 2 S 4 to Cu 2 MoS 4 , which have markedly enhanced photocatalytic efficiency of Cu 2 MoS 4 /ZnIn 2 S 4 . • Hollow Cu 2 MoS 4 /ZnIn 2 S 4 heterostructural nanocube was first constructed via a self-template method. • The rate of H 2 -evolution over 15% Cu 2 MoS 4 /ZnIn 2 S 4 reached 8103 μmol·h −1 ·g −1 . • Crucial roles of interfacial electric field and unique structure remarkable improved H 2 -evolution performance." @default.
- W3203460770 created "2021-10-11" @default.
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- W3203460770 date "2021-11-01" @default.
- W3203460770 modified "2023-10-14" @default.
- W3203460770 title "Design and fabrication of hollow structured Cu2MoS4/ZnIn2S4 nanocubes with significant enhanced photocatalytic hydrogen evolution performance" @default.
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- W3203460770 doi "https://doi.org/10.1016/j.ijhydene.2021.09.035" @default.
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