Heterojunction photocatalysts for degradation of the tetracycline antibiotic: a review

被引：406
作者：
He, Xinghou [1 ,2 ]
Kai, Tianhan [1 ]
Ding, Ping [1 ,2 ]
机构：
[1] Cent South Univ, Xiangya Sch Publ Hlth, Changsha 410078, Hunan, Peoples R China
[2] Hunan Prov Key Lab Clin Epidemiol, Changsha 410078, Hunan, Peoples R China
来源：
ENVIRONMENTAL CHEMISTRY LETTERS | 2021年 / 19卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Heterojunction; Photocatalyst; Tetracycline; Photocatalysis mechanism; Degradation pathway; Performance evaluation; Z-SCHEME HETEROJUNCTION; P-N HETEROJUNCTION; IN-SITU SYNTHESIS; WASTE-WATER; EFFICIENT PHOTOCATALYST; CARBON DOTS; CONSTRUCTION; PERFORMANCE; FABRICATION; REMOVAL;
D O I：
10.1007/s10311-021-01295-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Antibiotic pollution is a major health issue inducing antibiotic resistance and the inefficiency of actual drugs, thus calling for improved methods to clean water and wastewater. Here we review the recent development of heterojunction photocatalysis and application in degrading tetracycline. We discuss mechanisms for separating photogenerated electron-hole pairs in different heterojunction systems such as traditional, p-n, direct Z-scheme, step-scheme, Schottky, and surface heterojunction. Degradation pathways of tetracycline during photocatalysis are presented. We compare the efficiency of tetracycline removal by various heterojunctions using quantum efficiency, space time yield, and figures of merit. Implications for the treatment of antibiotic-contaminated wastewater are discussed.
引用
收藏
页码：4563 / 4601
页数：39
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