期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.2c1145
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Multicomponent reactions (MCRs) are employed to incorporate different functionalities into stable covalent organic frameworks (COFs). In this study, irreversible three-component Doebner reaction is utilized to synthesize chemically stable DMCR-COFs equipped with acid-base bifunctionality. These DMCR-COFs exhibit superior photocatalytic H2O2 evolution compared to Imine-1, showcasing their potential as materials for solar to chemical energy conversion.
Multicomponent reactions (MCRs) can be used to introduce different functionalities into highly stable covalent organic frameworks (COFs). In this work, the irreversible three-component Doebner reaction is utilized to synthesize four chemically stable quinoline-4-carboxylic acid DMCR-COFs (DMCR-1-3 and DMCR-1NH) equipped with an acid-base bifunctionality. These DMCR-COFs show superior photocatalytic H2O2 evolution (one of the most important industrial oxidants) compared to the imine COF analogue (Imine-1). This is achieved with sacrificial oxidants but also in pure water and under an oxygen or air atmosphere. Furthermore, the DMCR-COFs show high photostability, durability, and recyclability. MCR-COFs thus provide a viable materials' platform for solar to chemical energy conversion.
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