Abstract
AbstractBi2Fe4O9/Ag3PO4 (BFO/APO) composites as a kind of new material were successfully prepared through the hydrothermal‐precipitation method and employed for degrading 17α‐ethynyl estradiol (EE2). Upon illumination, the total removal efficiency of EE2 reached 98.68 % and the reaction rate constant K value of 1 : 6 BFO/APO (0.05111 min−1) was respectively 7, 5 and 55 times that of BFO (0.01074 min−1), APO (0.007260 min−1) and conventional photocatalysis (9.38×10−4 min−1). The combination with BFO also effectively prevented the occurrence of APO photo corrosion reactions. According to the capture experiments, .O2−, holes and .OH are considered major or minor important respectively to the photocatalytic reaction. This work provides a new insight in construct the direct Z‐scheme photocatalyst for EE2 degradation.
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