Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis

作     者：Wenhao Sun Yonggang Xiang Zhihui Jiang Shengyao Wang Nan Yang Shangbin Jin Linhao Sun Huailong Teng Hao Chen 孙文浩;项勇刚;蒋志慧;汪圣尧;杨楠;金尚彬;孙林浩;滕怀龙;陈浩

作者机构：College of ScienceHuazhong Agricultural UniversityWuhan 430070China Key Laboratory of Environment Correlative Dietology(Ministry of Education)Huazhong Agricultural UniversityWuhan 430070China Key Laboratory of Material Chemistry for Energy Conversion and Storage(Ministry of Education)School of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China 

出 版 物：《Science Bulletin》 (科学通报（英文版）)

年 卷 期：2022年第67卷第1期

页      面：61-70,M0004页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the National Natural Science Foundation of China(51902121,52073110,22071072,51872107,21975090,and 21801086) the Fundamental Research Funds for the Central Universities of China(2662018QD011,2662018PY052,and 2662019PY023) the Natural Science Foundation of Hubei Province(2019CFB322) 

主　　题：Photocatalysis Conjugated polymers Molecular oxygen activation Aerobic oxidation Polymeric conjugation 

摘      要：Photocatalytic oxidative organic reactions are important synthetic transformations,and research on reaction selectivity by reactive oxygen species(ROS)is *** date,however,there has rarely been any focus on the directed generation of ***,we report the first identification of tunable molecular oxygen activation induced by polymeric conjugation in nonmetallic conjugated microporous polymers(CMP).The conjugation between these can be achieved by the introduction of alkynyl ***-A with an alkynyl bridge facilitates the intramolecular charge mobility while CMP-D,lacking an alkynyl group enhances the photoexcited carrier build-up on the surface from *** different processes dominate the directed ROS generation of the superoxide radical(·O_(2)^(-))and singlet oxygen(^(1)O_(2)),*** theory is substantiated by the different performances of these CMPs in the aerobic oxidation of sulfides and the dehydrogenative coupling of amines,and could provide insight into the rational design of CMPs for various heterogeneous organic photosynthesis.