Recent Progress of Covalent Organic Frameworks‐Based Materials in Photocatalytic Applications: A Review

• Published in: Small (Weinheim an der Bergstrasse, Germany) Vol. 19; no. 48; pp. e2303632 - n/a
• Main Authors: Qi, Shi‐peng, Guo, Rui‐tang, Bi, Zhe‐xu, Zhang, Zhen‐rui, Li, Chu‐fan, Pan, Wei‐guo
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 01.11.2023
• Subjects: CO2 reduction; Covalence; Covalent bonds; covalent organic frameworks (COFs); Electron transfer; Heterojunctions; Hydrogen production; Nanotechnology; Organic materials; Photocatalysis; photocatalytic application; pollutants elimination; Porous materials; Surface stability; Thermal stability; Water splitting; photocatalytic application; pollutants elimination; covalent organic frameworks (COFs); CO2 reduction; hydrogen production
• ISSN: 1613-6810; 1613-6829; 1613-6829
• DOI: 10.1002/smll.202303632

Covalent organic frameworks (COFs) are one type of porous organic materials linked by covalent bonds. COFs materials exhibit many outstanding characteristics such as high porosity, high chemical and thermal stability, large specific surface area, efficient electron transfer efficiency, and the ability for predesigned structures. These exceptional advantages enable COFs materials to exhibit remarkable performance in photocatalysis. Additionally, the activity of COFs materials as photocatalysts can be significantly upgraded by ion doping and the formation of heterojunctions. This paper summarizes the latest research progress on COF‐based materials applied in photocatalytic systems. Initially, typical structures and preparation methods of COFs are analyzed and compared. Moreover, the essential principles of photocatalytic reactions over COFs‐based materials and the latest research developments in photocatalytic hydrogen production, CO2 reduction, pollutants elimination, organic transformation, and overall water splitting are indicated. At last, the outlook and challenges of COF‐based materials in photocatalysis are discussed. This review is intended to permit instructive guidance for the efficient use of photocatalysis based on COFs in the future. In this review, typical structures and preparation methods of covalent organic framework (COFs) are introduced. Subsequently, the essential principles of photocatalytic reactions over COFs‐based materials and the latest research developments in photocatalytic hydrogen production, CO2 reduction, and pollutant elimination are discussed. Finally, challenges and prospects for COFs‐based materials applied in photocatalysis are proposed.