Synthesis and Characterization of BaTiO3/TiO2 Heterojunction Photocatalyst for Novel Application in Photocatalytic Degradation of TBBPA under Simulated Sunlight Irradiation

被引：4
|
作者：
Wang, Shifa [1 ,2 ]
Yu, Chuan [1 ,2 ]
Chen, Xiangyu [1 ,2 ]
Zhang, Kening [1 ,2 ]
Gao, Huajing [1 ,2 ,3 ]
Yu, Xianlun [1 ,2 ]
Zhao, Xinxin [1 ,2 ]
Fang, Leiming [4 ]
Chen, Xiping [4 ]
Zhang, Jing [1 ,2 ]
机构：
[1] Chongqing Three Gorges Univ, Sch Elect & Informat Engn, Chongqing 404000, Peoples R China
[2] Chongqing Three Gorges Univ, Chongqing Key Lab Geol Environm Monitoring & Disas, Chongqing 404000, Peoples R China
[3] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
[4] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Sichuan, Peoples R China
来源：
CHEMISTRYSELECT | 2022年 / 7卷 / 45期
关键词：
BaTiO3; Interface defects; Polyacrylamide gel method; TBBPA; TiO2; FLAME-RETARDANT; TETRABROMOBISPHENOL; NANOFIBERS; TIO2; ACID;
D O I：
10.1002/slct.202202764
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The polyacrylamide gel method combined with low temperature sintering technology (PGMCLTST) have been used to synthesize the BaTiO3/TiO2 heterojunction photocatalysts. The BaTiO3/TiO2 heterojunction photocatalyst only contains tetragonal BaTiO3, rutile TiO2 and anatase TiO2, without any other impurities. Based on a variety of characterization, it was confirmed that a special heterojunction was formed between BaTiO3 and TiO2, and there were a large number of interface defects or oxygen defects in the samples. The BaTiO3/10 wt % TiO2 heterojunction photocatalysts have high photocatalytic activity for the degradation of tetrabromobisphenol A (TBBPA) under simulated sunlight irradiation. The interfacial defects enhance the transfer and separation efficiency of charge carriers in BaTiO3/TiO2 heterojunction photocatalysts. This technique provides a new idea for the application of BaTiO3/TiO2 heterojunction photocatalysts and other heterojunction photocatalysts in the degradation of persistent organic pollutants (POPs).
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页数：13
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