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Zhao, Dawei; Wu, Tengteng; Zhou, Yi
Chemistry : a European journal, July 22, 2019, Letnik: 25, Številka: 41Journal Article
Fabricating a high‐performance photocatalyst to efficiently solve serious environmental problems is an urgent affair. Herein, a series of MoS2/ZnO composites were successfully fabricated through a facile hydrothermal route using Na2MoO4, (NH2)2CS and urchin‐like ZnO as precursors. According to the results of XRD and XPS, it was found that ZnS appeared in MoS2/ZnO composite; meanwhile, the content was positively correlated with the weight of the precursor (NH2)2CS. It should be noted that the morphology and the metallic phase content of MoS2 grown in situ on the surface of ZnO were affected by the molar ratio of Na2MoO4 and ZnO. Benefiting from the special dual II heterojunctions of MoS2/ZnS/ZnO ternary composite, the material exhibited excellent charge separation and transfer performances. In the photocatalytic measurements, the MoS2/ZnS/ZnO (Na2MoO4:ZnO 1:2 MZ2) composite not only exhibits excellent photocatalytic CrVI reduction activity of 42.3×10−3 min−1, but also displays remarkable adsorption performance (nearly 32.1 %) for Cr2O2-7 . In addition, the ternary composite shows dominant photocatalytic CrVI reduction activities compared to other photocatalysts. This work provides a high‐efficient MoS2/ZnS/ZnO ternary photocatalyst for environmental treatment. Photofit: Fabricating a high‐performance photocatalyst to efficiently solve serious environmental problems is an urgent affair. A series of MoS2/ZnO composites were successfully fabricated through a facile hydrothermal route, leading to a highly efficient MoS2/ZnS/ZnO ternary photocatalyst for environmental treatment.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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