Recent Advances in the Use of Covalent Organic Frameworks as Heterogenous Photocatalysts in Organic Synthesis

Organic photochemistry is intensely developed in the 1980s, in which the nature of excited electronic states and the energy and electron transfer processes are thoroughly studied and finally well‐understood. This knowledge from molecular organic photochemistry can be transferred to the design of cov...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2023-06, Vol.35 (24), p.e2209475-n/a
Main Authors: López‐Magano, Alberto, Daliran, Saba, Oveisi, Ali Reza, Mas‐Ballesté, Rubén, Dhakshinamoorthy, Amarajothi, Alemán, José, Garcia, Hermenegildo, Luque, Rafael
Format: Article
Language:English
Subjects:
covalent organic frameworks
Electron states
Electron transfer
Materials science
Photocatalysis
Photocatalysts
Photochemistry
Porous materials
porous organic polymers
reaction mechanism
Reaction mechanisms
selective organic reactions
Surface stability
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Summary:Organic photochemistry is intensely developed in the 1980s, in which the nature of excited electronic states and the energy and electron transfer processes are thoroughly studied and finally well‐understood. This knowledge from molecular organic photochemistry can be transferred to the design of covalent organic frameworks (COFs) as active visible‐light photocatalysts. COFs constitute a new class of crystalline porous materials with substantial application potentials. Featured with outstanding structural tunability, large porosity, high surface area, excellent stability, and unique photoelectronic properties, COFs are studied as potential candidates in various research areas (e.g., photocatalysis). This review aims to provide the state‐of‐the‐art insights into the design of COF photocatalysts (pristine, functionalized, and hybrid COFs) for organic transformations. The catalytic reaction mechanism of COF‐based photocatalysts and the influence of dimensionality and crystallinity on heterogenous photocatalysis performance are also discussed, followed by perspectives and prospects on the main challenges and opportunities in future research of COFs and COF‐based photocatalysts. The state‐of‐the‐art development of pristine, functionalized, and hybrid covalent organic frameworks (COFs) for photocatalytic organic transformations is presented, arranged in a clear order that states the types of bonds in COFs that can be used in photocatalysis and the photocatalytic mechanisms behind these COFs which influence the performance of the applications.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202209475