Attenuating Imine Bond Polarization in Covalent Organic Frameworks Accelerates Charge and Proton Transport for High-Efficiency Photocatalytic Hydrogen Evolution

Zhipeng Luo; C W. LI; Wanxiang Yang; Yu Chang; Kai-Ling Wu; Liwei Xia; Jingru Gao; F Zhang; Qiwei Duan; Sibo Wang; Zailai Xie; Xiaofeng Wu; Guan‐E Wang; Wei Lin; Teng‐Teng Chen; Mingfei Zhou; Yihan Zhu; G Xu; Xiong Chen

doi:10.1021/jacs.6c04124

Key Points

This research aims to improve charge and proton transport in covalent organic frameworks (COFs) by attenuating imine bond polarization.
Investigated imine bond polarization effects within covalent organic frameworks.
Measured photocatalytic hydrogen evolution efficiency and quantum yield at 450 nm.
Achieved an apparent quantum yield of 21.8 ± 0.80% at 450 nm.
Demonstrated significant performance improvements over neutral and electron-withdrawing counterparts.

Implication

Demonstrates enhanced charge and proton transport in photocatalysts, suggesting improvements for hydrogen evolution.

Abstract

and an apparent quantum yield of 21.8 ± 0.80% at 450 nm, vastly outperforming its neutral and electron-withdrawing counterparts. These mechanistic insights provide a dependable blueprint for the rational design of high-performance imine-linked COF photocatalysts.

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Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/6a0809d7a487c87a6a40bb3c https://doi.org/10.1021/jacs.6c04124

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Attenuating Imine Bond Polarization in Covalent Organic Frameworks Accelerates Charge and Proton Transport for High-Efficiency Photocatalytic Hydrogen Evolution

Key Points

Implication

Abstract

Discussion

Cite This Study

Attenuating Imine Bond Polarization in Covalent Organic Frameworks Accelerates Charge and Proton Transport for High-Efficiency Photocatalytic Hydrogen Evolution

Key Points

Implication

Abstract

Discussion

Cite This Study

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