文献类型：期刊文献

英文题名：Photo-induced dye-sensitized BiPO4/BiOCl system for stably treating persistent organic pollutants

作者：Mei, Jie[1];Tao, Ying[2,3];Gao, Cheng[1];Zhu, Qiong[2,3];Zhang, Hongyang[4];Yu, Jun[1];Fang, Zhen[1];Xu, Hu[1];Wang, Yuhong[1];Li, Guisheng[2,3]

机构：[1]Shanghai Inst Technol, Sch Chem & Environm Engn, Res Inst Appl Catalysis, Shanghai 201418, Peoples R China;[2]Shanghai Normal Univ, Key Lab Resource Chem, Minist Educ, Shanghai Key Lab Rare Earth Funct Mat, Shanghai 200234, Peoples R China;[3]Shanghai Normal Univ, Sch Environm & Geog Sci, Wetland Ecosystem Observat & Res Field Stn, Shanghai 200234, Peoples R China;[4]East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

年份：2021

卷号：285

外文期刊名：APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY

收录：;EI(收录号：20210209744014);WOS:【SCI-EXPANDED(收录号:WOS:000623238900001)】；

基金：This work was supported by the National Natural Science Foundation of China (21876113, 21808142, 21677099, 21761142011), Shanghai Government (19160712900), Shanghai Engineering Research Center of Green Energy Chemical Engineering and Key Laboratory of Aerosol Chemistry and Physics, CAS, KLACP1901.

语种：英文

外文关键词：BiPO4/BiOCl; Dye-sensitized; Visible-light photocatalyst; Persistent organic pollutants (POPs); Reactive oxygen species (ROSs)

摘要：An enhanced dye (rhodamine B, RhB)-sensitized BiPO4/BiOCl heterojunction (P-BOC) system was explored for simultaneously treating various highly concentrated hazardous organic pollutants, including dyes and persistent organic pollutants (POPs) (such as bisphenol A, BPA and 4-chlorophenol, 4-CP) under visible-light irradiation (> 420 nm). Such high photo-degradation activity of P-BOC system stemmed from the high-performance of sensitization of RhB upon visible-light excitation. Suitable conduction band match between BiPO4 and BiOCl in P-BOC heterojunctions readily facilitated the subsequent electron transfer from excited RhB to P-BOC surface, forming various reactive oxygen species (ROS). Superoxide radical (center dot O-2(-)) and hydrogen peroxide (H2O2) served as the main ROS species for oxidizing POPs. A possible enhanced RhBphotosensitizing degradation mechanism of PBOC heterojunction was proposed for clarifying the efficient photo-degradation treatment of highly concentrated hazardous pollutants. The combination of dye-sensitization with P-BOC heterojunctions explored a green, energy saving, efficient photo induced system for treating pollutants.