The surface electron transfer strategy promotes the hole of PDI release and enhances emerging organic pollutant degradation

作     者：Yunchuan Yang Dongyu Wang Jisheng Geng Jun Liu Jun Wang Yunchuan Yang;Dongyu Wang;Jisheng Geng;Jun Liu;Jun Wang

作者机构：State Key Laboratory of Environmental−Friendly Energy MaterialsSchool of Materials and ChemistrySouthwest University of Science and TechnologyMianyang 621010China Tianfu Institute of Research and InnovationSouthwest University of Science and TechnologyChengdu 610213China Guangdong−Hong Kong Joint Laboratory for Water SecurityCenter for Water ResearchAdvanced Institute of Natural SciencesBeijing Normal University at ZhuhaiZhuhai 519087China 

出 版 物：《Journal of Semiconductors》 (半导体学报（英文版）)

年 卷 期：2024年第45卷第10期

页      面：84-91页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 

基　　金：supported by the National Natural Science Foundation of China(No.22306178 and 22176155) Outstanding Youth Talents of Sichuan Science and Technology Program(No.22JCQN0061) National Natural Science Foundation of China(No.22306012) Guangdong Basic and Applied Basic Research Foundation(No.2022A1515110578) 

主　　题：perylene diimide organic semiconductors emerging pollutants surface electron transfer strategy photo-Fenton 

摘      要：In semiconductor photocatalysts,the easy recombination of photogenerated carriers seriously affects the application of photocatalytic materials in water *** solve the serious problem of electron−hole pair recombination in perylene diimide(PDI)organic semiconductors,we loaded ferric hydroxyl oxide(FeOOH)on PDI materials,successfully prepared novel FeOOH@PDI photocatalytic materials,and constructed a photo-Fenton *** system was able to achieve highly efficient degradation of BPA under visible light,with a degradation rate of 0.112 min^(−1)that was 20 times higher than the PDI system,and it also showed universal degradation performances for a variety of emerging organic pollutants and anti-interference *** mechanism research revealed that the FeOOH has the electron trapping property,which can capture the photogenerated electrons on the surface of PDI,effectively reducing the compounding rate of photogenerated carriers of PDI and accelerating the iron cycling and H2O2 activation on the surface of FeOOH at the same *** work provides new insights and methods for solving the problem of easy recombination of carriers in semiconductor photocatalysts and degrading emerging organic pollutants.