气候变化领域集成服务门户(CCPortal): Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis

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DOI	10.1016/j.scib.2021.07.016
	Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis
	Sun W.; Xiang Y.; Jiang Z.; Wang S.; Yang N.; Jin S.; Sun L.; Teng H.; Chen H.
发表日期	2021
ISSN	20959273
英文摘要	Photocatalytic oxidative organic reactions are important synthetic transformations, and research on reaction selectivity by reactive oxygen species (ROS) is significant. To date, however, there has rarely been any focus on the directed generation of ROSs. Herein, 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 groups. CMP-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 diffusion. These different processes dominate the directed ROS generation of the superoxide radical ([rad]O2−) and singlet oxygen (1O2), respectively. This 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. © 2021 Science China Press
关键词	Aerobic oxidation Conjugated polymers Molecular oxygen activation Photocatalysis Polymeric conjugation
英文关键词	Amines; Chemical activation; Molecular oxygen; Photocatalysis; Photosynthesis; Sulfur compounds; Aerobic oxidations; Alkynyl groups; Conjugated microporous polymers; Molecular oxygen activation; Organic reaction; Organics; Photo-catalytic; Polymeric conjugation; Reactive oxygen species; Tunables; Conjugated polymers
语种	英语
来源期刊	Science Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/207563
作者单位	College of Science, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Environment Correlative Dietology (Ministry of Education), Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
推荐引用方式 GB/T 7714	Sun W.,Xiang Y.,Jiang Z.,et al. Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis[J],2021.
APA	Sun W..,Xiang Y..,Jiang Z..,Wang S..,Yang N..,...&Chen H..(2021).Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis.Science Bulletin.
MLA	Sun W.,et al."Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis".Science Bulletin (2021).