Preparation and Characterization of Bi2Fe4O9/Ag3PO4 Composite Photocatalyst for Degradation of EE2

被引：6
|
作者：
Ma, Min [1 ]
Wu, Shenglan [1 ]
Liu, Jie [1 ]
Chen, Yu [1 ]
Jiang, Xiaomei [1 ]
Pi, Xiaolin [1 ]
Li, Huiying [1 ]
Li, Xiaomei [2 ]
Jiang, Fengzhi [1 ]
机构：
[1] Yunnan Univ, Sch Chem Sci & Technol, Kunming, Yunnan, Peoples R China
[2] Yunnan Normal Univ, Fac Chem & Chem Engn, Kunming, Yunnan, Peoples R China
来源：
CHEMISTRYSELECT | 2021年 / 6卷 / 45期
基金：
中国国家自然科学基金;
关键词：
Bi2Fe4O9; Ag3PO4; heterogeneous catalysis; photocatalytic; EE2; MICROSPHERES;
D O I：
10.1002/slct.202103137
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Bi2Fe4O9/Ag3PO4 (BFO/APO) composites as a kind of new material were successfully prepared through the hydrothermal-precipitation method and employed for degrading 17 alpha-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 (9.38x10(-4) min(-1)). The combination with BFO also effectively prevented the occurrence of APO photo corrosion reactions. According to the capture experiments, O-.(2)-, holes and (OH)-O-. 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.
引用
收藏
页码：12590 / 12603
页数：14
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