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author：

Xu, H. (Xu, H..) [1] | Xia, S. (Xia, S..) [2] | Li, C. (Li, C..) [3] | Li, Y. (Li, Y..) [4] | Xing, W. (Xing, W..) [5] | Jiang, Y. (Jiang, Y..) [6] | Chen, X. (Chen, X..) [7]

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Scopus

Abstract：

Despite　the　pivotal　role　of　molecular　oxygen　(O2)　activation　in　artificial　photosynthesis,　the　activation　efficiency　is　often　restricted　by　sluggish　exciton　dissociation　and　charge　transfer　kinetics　within　polymer　photocatalysts.　Herein,　we　propose　two　tetrathiafulvalene　(TTF)-based　imine-linked　covalent　organic　frameworks　(COFs)　with　tailored　donor-acceptor　(D–A)　structures,　TTF-PDI-COF　and　TTF-TFPP-COF,　to　promote　O2　activation.　Because　of　enhanced　electron　push-pull　interactions　that　facilitated　charge　separation　and　transfer　behavior,　TTF-PDI-COF　exhibited　superior　photocatalytic　activity　in　electron-induced　O2　activation　reactions　over　TTF-TFPP-COF　under　visible　light　irradiation,　including　the　photosynthesis　of　(E)-3-amino-2-thiocyano-α,β-unsaturated　compounds　and　H2O2.　These　findings　highlight　the　significant　potential　of　the　rational　design　of　COFs　with　D–A　configurations　as　suitable　candidates　for　advanced　photocatalytic　applications.　©　2024　Wiley-VCH　GmbH.

Keyword：

Covalent organic frameworks Donor-acceptor polymers H2O2 production Molecular oxygen activation Photocatalysis

Community：

  • [ 1 ] [Xu H.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Xia S.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Li C.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Li Y.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [Xing W.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Jiang Y.]State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering, Donghua University, Shanghai, 201620, China
  • [ 7 ] [Chen X.]State Key Laboratory of Photocatalysis on Energy and Environment, and Key Laboratory of Molecular Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350116, China

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Angewandte Chemie - International Edition

ISSN： 1433-7851

Year： 2024

Issue： 29

Volume： 63

1 6 . 1 0 0

JCR@2023

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WoS CC Cited Count：

SCOPUS Cited Count： 20

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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