Construction of NH2-MIL-125(Ti)/Bi2WO6 composites with accelerated charge separation for degradation of organic contaminants under visible light irradiation

作     者：Sheng Yin Yong Chen Ming Li Qingsong Hu Yi Ding Yifan Shao Jun Di Jiexiang Xia Huaming Li Sheng Yin;Yong Chen;Ming Li;Qingsong Hu;Yi Ding;Yifan Shao;Jun Di;Jiexiang Xia;Huaming Li

作者机构：School of Chemistry and Chemical EngineeringInstitute for Energy ResearchJiangsu University301 Xuefu RoadZhenjiang 212013China School of Ecological and Environmental ScienceShanghai Key Laboratory for Urban Ecological Processes and Eco-RestorationEast China Normal UniversityShanghai 200241China School of Materials Science and EngineeringNanyang Technological UniversitySingapore 639798Singapore 

出 版 物：《Green Energy & Environment》 (绿色能源与环境（英文版）)

年 卷 期：2020年第5卷第2期

页      面：203-213页

核心收录：

学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 081705[工学-工业催化] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0807[工学-动力工程及工程热物理] 0703[理学-化学] 0713[理学-生态学] 

基　　金：This work was financially supported by the National Natural Science Foundation of China(Nos.21476098,21471069 and 21576123) and Jiangsu University Scientific Research Funding(No.11JDG0146). 

主　　题：NH2-MIL-125(Ti) Bi2WO6 nanosheets Charge separation Photocatalysis Visible light 

摘      要：Photocatalysis is considered as an ideal strategy for water pollution treatment.However,it remains challenging to design a highly efficient photo-catalytic system through regulating the charge flow via a precise approach.In this work,a novel NH2-MIL-125(Ti)/Bi2WO6 composite was constructed via self-assembly growing Bi2WO6 nanosheets on NH2-MIL-125(Ti)material.The characterization results demonstrated that NH2-MIL-125(Ti)was successfully incorporated into Bi2WO6 and the photoexcited carriers could be efficiently separated and transferred between the two components.NH2-MIL-125(Ti)/Bi2WO6 composites displayed enhanced photocatalytic activity for the removal of rhodamine B(RhB)and tetracycline(TC)under visible light irradiation,and the optimal weight ratio of NH2-MIL-125(Ti)was determined to be 7 wt%.The introduction of NH2-MIL-125(Ti)into Bi2WO6 could raise the absorption of visible light,accelerate the separation and transfer of charge carriers,and boost photocatalytic activity.This research presents a wide range of possibilities for the further development of novel composites in the field of environment purification.