A facile synthesis of Ag3PO4/BiPO4 p-n heterostructured composite as a highly efficient photocatalyst for fluoroquinolones degradation.
2022
Abstract Ag3PO4/BiPO4 heterojunction photocatalysts with an intergrowth structure composed of sphere-shaped Ag3PO4 and nanorod BiPO4 were synthesized via a facile combination of solvothermal method and in-situ deposition process. They exhibit enhanced photocatalytic activities under sunlight irradiation, and the heterojunction composite with the 10 wt% loading amounts of Ag3PO4 presented the highest photocatalytic activities against norfloxacin (NFX), ofloxacin (OFXL) and ciprofloxacin (CIP), with high degradation efficiencies of 94.7%, 95.4% and 92.1%, respectively. Additionally, the Ag3PO4/BiPO4 photocatalyst demonstrates outstanding structural and photocatalytic stability. The superior performance was attributed to the effective charge transfer across the p-n heterojunction interface and the enhancement of light absorption. This work provides a new insight into the development of novel BiPO4-based heterojunction composites and meets the remediation for contaminated aqueous environment.
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