Rational Regulation of Dipole Polarization in Donor–Acceptor Covalent Organic Frameworks for Enhanced Photocatalytic Efficiency

Chen, Zhuo; Guo, Jie; Song, Fahui; Wang, Shao-Dan; Carabineiro, Sónia A. C.; Ouyang, Shuxin; Wen, Li−Li

doi:10.1021/acscatal.5c01163

articleACS CatalysisMay 2, 2025Closed access

Rational Regulation of Dipole Polarization in Donor–Acceptor Covalent Organic Frameworks for Enhanced Photocatalytic Efficiency

ZCZhuo Chen JGJie Guo FSFahui Song SWShao-Dan Wang SASónia A. C. Carabineiro

Central China Normal University · Ministry of Education · +2 more institutions

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Abstract

The energy difference between the donor and acceptor, along with the energy loss during the charge transfer state, are two critical factors influencing the photocatalytic efficiency of donor–acceptor covalent organic frameworks (D–A COFs). However, there are no reports that systematically clarify the effects of these two aspects based on precise structural models. Herein, three D–A COFs are synthesized using benzene-cored triamines with varying numbers of phenyl groups (n = 1, 2, 3) as electron donors. In particular, the well-designed COFs (named as Tp-Tapb COF), with optimal dipole polarization and planarity, exhibit the highest activity for photocatalytic oxidation of amines in air under visible light…

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52

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FWCI: 20.78
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Topics & keywords

Topics

Keywords

Photocatalysis
Covalent bond
Photochemistry
Acceptor
Catalysis
Dipole
Polarization (electrochemistry)
Materials science

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