Multicomponent one-pot construction of benzo[f]quinoline-linked covalent organic frameworks for H2O2 photosynthesis

Ke-Hui Xie, Guang-Bo Wang (), Fang Huang, Fei Zhao, Jing-Lan Kan, Zi-Zheng Chen, Lei Cai, Shu-Lin Han, Yan Geng () and Yu-Bin Dong ()
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Ke-Hui Xie: Shandong Normal University
Guang-Bo Wang: Shandong Normal University
Fang Huang: Shandong Normal University
Fei Zhao: Shandong Normal University
Jing-Lan Kan: Shandong Normal University
Zi-Zheng Chen: Shandong Normal University
Lei Cai: Shandong Normal University
Shu-Lin Han: Shandong Normal University
Yan Geng: Shandong Normal University
Yu-Bin Dong: Shandong Normal University

Nature Communications, 2025, vol. 16, issue 1, 1-10

Abstract: Abstract The exploration of stable and functional linkages by multicomponent reactions to enrich the stability and diversity of covalent organic frameworks (COFs) and to broaden their potential applications is of fundamental significance to the development of COFs. Herein, we report the facile construction of a set of benzo[f]quinoline-linked COFs (B[f]QCOFs) via one-pot three-component [4 + 2] cyclic condensation of aldehydes and aromatic amines with easy-to-handle triethylamine as the vinyl source. These B[f]QCOFs possess high crystallinity, good physico-chemical stability as well as significant light absorption ability. More importantly, the obtained B[f]QCOF-1 exhibits a superior H2O2 production rate of 9025 μmol g-1 h-1 in pure water without any sacrificial agent under visible-light irradiation, surpassing most of the previously reported COF-based photocatalysts under comparable conditions. This work not only provides a general synthetic route for the preparation of fully conjugated COFs, but also helps the rational design of COF-based photocatalysts for efficient H2O2 photosynthesis.

Date: 2025
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DOI: 10.1038/s41467-025-58839-7

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