Porous covalent organic frameworks in photocatalytic ROS-mediated processes

Karousis, Nikolaos; Tasis, Dimitrios

doi:10.1039/d4ya00082j

Cited by 5 publications

(1 citation statement)

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“…The goal of this perspective is to highlight some of the attractive features of COFs for photocatalysis while also identifying critical areas for further work. We do not provide a comprehensive discussion of photocatalysis or COFs, and for more details we point the reader to several reviews which broadly cover photo-redox catalysis [2,3,7], organic photo-redox catalysis [1], polymeric photo-redox systems [4,25], COF photocatalysts [26][27][28][29][30][31][32][33][34], and applications of photo-redox systems [35]. We envision an increase in the number of researchers interested in COFs for photocatalytic applications in the coming years and work focused on both applied and fundamental challenges.…”

Section: Introductionmentioning

confidence: 99%

Challenges in photocatalysis using covalent organic frameworks

Jiang,

Senftle,

Verduzco

2024

J. Phys. Photonics

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Photocatalysis is an attractive, energy-efficient technology for organic transformations, polymer synthesis, and degradation of environmental pollutants. There is a need for new photocatalysts stable in different media and that can be tailored for specific applications. Covalent organic frameworks (COF) are crystalline, nanoporous materials with π-conjugated backbone monomers, representing versatile platforms as heterogeneous, metal-free photocatalysts. The backbone structure can be tailored to achieve desired photocatalytic properties, side-chains can mediate adsorption, and the nanoporous structure provides large surface area for molecular adsorption. While these properties make COFs attractive as photocatalysts, several fundamental questions remain regarding mechanisms for different photocatalytic transformations, reactant transport into porous COF structures, and both structural and chemical stability in various environments. In this perspective, we provide a brief overview of COF photocatalysts and identify challenges that should be addressed in future research seeking to employ COFs as photocatalysts. We close with an outlook and perspective on future research directions in the area of COF photocatalysts.

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