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- W3048013065 abstract "The charge carriers’ separation efficiency, light absorption capacity and microstructure of photocatalysts are important factors affecting the photocatalytic performance. Herein, we prepared the hierarchical ZnIn2S4 (ZIS) microspheres-confined CoFe2O4 nanoparticles (CFO NPs) p-n junction (CFO/ZIS) with enhanced charge carriers’ separation and extensive visible light response. Surprisingly, the 1% CFO/ZIS exhibits the optimal photocatalytic H2 evolution (PHE) activity, which is about over 3.7 times higher than pure ZIS. Furthermore, the apparent quantum yield (AQY) of the1% CFO/ZIS reaches 5.0% at 420 nm. In addition, the effects of various sacrificial reagent on the PHE were investigated in depth. And the formed photocatalytic reaction path of p-n junction effectively prevents the photocorrosion of ZIS. Hence, the photocatalytic activity and crystalline structure of 1% CFO/ZIS have no obvious change after five photocatalytic cycles, which shows that the photocatalyst possesses excellent chemical stability. Moreover, the as-prepared p-n junction shows outstanding photocatalytic performance for the degradation of 2-mercaptobenzothiazole (MBT). According to a series of experiments and characterizations, a possible photocatalytic mechanism for the CFO/ZIS p-n junction was proposed." @default.
- W3048013065 created "2020-08-13" @default.
- W3048013065 creator A5000294498 @default.
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- W3048013065 date "2021-01-01" @default.
- W3048013065 modified "2023-10-15" @default.
- W3048013065 title "Confinement of ultrasmall CoFe2O4 nanoparticles in hierarchical ZnIn2S4 microspheres with enhanced interfacial charge separation for photocatalytic H2 evolution" @default.
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- W3048013065 doi "https://doi.org/10.1016/j.jcis.2020.08.019" @default.
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