Journal
CHEMICAL ENGINEERING JOURNAL
Volume 453, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2022.139775
Keywords
Exposed crystal facets; Defect engineering; Z-scheme heterojunction; Photocatalytic degradation; Organic pollutants
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By utilizing defect engineering, exposed crystal facets, and Z-scheme mechanism, this study successfully prepared MoS2/Ag-ZFO hetero-junction with excellent photocatalytic performance, offering new insights for the design and development of highly active photocatalysts in the future.
Defect engineering, exposed crystal facets, and Z-scheme mechanism are promising strategies to greatly promote photocatalytic performance. Herein, the ZnFe2O4 (ZFO) with Ag-doping, oxygen vacancies and different exposed crystal facets was firstly prepared by a facile hydrothermal strategy. Subsequently, the MoS2 flowers were in-situ grown on the surface of the prepared Ag-doping ZFO (Ag-ZFO) for fabricating MoS2/Ag-ZFO Z-scheme hetero-junction by hydrothermal strategy. Due to the synergistic effects of defect engineering (Ag-doping and oxygen vacancies), exposed crystal facets, and Z-scheme mechanism, the photocatalytic activity for tetracycline degra-dation was evidently improved. More importantly, the prepared MoS2/Ag-ZFO (T) also show excellent photo -catalytic performance under real environment water. This work offers a new insight for future design and development of highly active photocatalysts.
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