期刊
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
卷 38, 期 2, 页码 373-381出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-022-2007-z
关键词
Covalent organic framework; Photocatalysis; Hydrogen evolution; Charge separation
资金
- National Natural Science Foundation of China [51973039]
This review summarizes the recent progress of COF-based photocatalysts in design and synthesis, including functionalization of building blocks, post-modification of backbones and pores, and preparation of COF-related composites.
Covalent organic frameworks(COFs) are emerging photocatalysts for hydrogen evolution in water splitting in recent years. They offer a pre-designable platform to design tailor-made structures and chemically adjustable functionality in terms of photocatalysis. In this review, we summarize the recent striking progress of COF-based photocatalysts in design and synthesis. Firstly, different approaches to functionalizing building blocks, diversifying linkages, extending pi-conjugation and establishing D-A conjugation are illustrated for enhancing photocatalytic activity. Next, post-modification of backbones and pores is detailed for emphasizing the synergistic catalytic uniqueness of COFs. Besides, the strategy of preparing COF-related composites with various semiconductors is outlined for optimizing the electronic properties. Finally, we conclude with the current challenges and promising opportunities for the exploration of new COF-based photocatalysts.
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