sp2 Carbon-Conjugated Covalent Organic Frameworks (sp2c-COFs): Synthesis and Application in Photocatalytic Water Splitting

IF 4.3 3区化学 Q2 POLYMER SCIENCE Macromolecular Rapid Communications Pub Date : 2025-02-09 DOI:10.1002/marc.202400967

Shiqiong Peng, Renjie Wang, Yao Yang, Shuyan Wang, En Liang, Bing Han, Junbo Li, Xianglin Yu, Qichun Zhang

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Abstract

Preparation of irreversible sp² carbon-conjugated covalent organic frameworks (sp²c-COFs) with specific porosity, easy structural functionalization, high chemical stability, and unique π-electron conjugation structure (especially the combination of π–π stacking interactions and conjugation system), can remove the barrier of electron transfer and provide a unique advantage for photocatalytic water splitting. Herein, based on three kinds of reactions (Aldol condensation reaction, Knoevenagel condensation reaction, and Horner-Wadsworth-Emmons reaction) and guided by the precise modulation of ligand structure and topology, this review summarizes the synthesis of sp²c-COFs and their applications in photoelectrocatalytic water splitting (hydrogen evolution and oxygen evolution reactions). Furthermore, challenges and possible research directions for sp²c-COFs in photocatalytic water splitting are also provided.

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sp2碳共轭共价有机骨架（sp2c-COFs）的合成及其在光催化水裂解中的应用

制备的不可逆sp2碳共轭共价有机骨架（sp2c-COFs）具有孔隙率特定、结构功能化容易、化学稳定性高、独特的π-电子共轭结构（特别是π-π堆叠相互作用和共轭体系的结合），可消除电子转移障碍，为光催化水裂解提供独特优势。本文以三种反应（Aldol缩合反应、Knoevenagel缩合反应和Horner-Wadsworth-Emmons反应）为基础，在配体结构和拓扑精确调制的指导下，综述了sp2c-COFs的合成及其在光电催化水裂解（析氢和析氧反应）中的应用。最后指出了sp2c-COFs在光催化水分解方面面临的挑战和可能的研究方向。

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来源期刊

Macromolecular Rapid Communications 工程技术-高分子科学

CiteScore

7.70

自引率

6.50%

发文量

477

审稿时长

1.4 months

期刊介绍： Macromolecular Rapid Communications publishes original research in polymer science, ranging from chemistry and physics of polymers to polymers in materials science and life sciences.