Covalent Organic Framework Materials for Photo/ Electrocatalytic Carbon Dioxide Reduction北大核心CSCD

Covalent organic frameworks （COFs）are a class of emerging materials connected by covalent bonds，which have high thermal/chemical stability （except boric acid COFs），permanent porosity，large specific surface area and good crystallinity. In addition，the structure of the monomer unit in COFs is adjustable and can coordinate with many transition metal ions to provide catalytic active sites. These advantages make COFs helpful to catalyze various reactions. Among them，COFs have an excellent catalytic effect on the CO2 reduction reaction（CO2 RR）. This is mainly because the adjustable pore structure of COFs allows them to adsorb a large amount of CO2 and the π-π stacking structure in COFs can promote charge transfer， which can greatly improve the efficiency of CO2 reduction. COFs can be used as photo/ electrocatalysts to efficiently reduce CO2 to CO，CH4 ，HCOOH and other products. This review discusses the important achievements of CO2 RR catalyzed by COFs， including photo/electrocatalytic CO2 RR and photoelectric coupling CO2 RR. In addition，the future development of COFs as CO2 RR catalysts is also prospected. © 2022, Science Press (China). All rights reserved.

Covalent Organic Framework Materials for Photo/ Electrocatalytic Carbon Dioxide Reduction

Covalent organic frameworks （COFs） are a class of emerging materials connected by covalent bonds， which have high thermal/chemical stability （except boric acid COFs）， permanent porosity， large specific surface area and good crystallinity. In addition， the structure of the monomer unit in COFs is adjustable and can coordinate with many transition metal ions to provide catalytic active sites. These advantages make COFs helpful to catalyze various reactions. Among them， COFs have an excellent catalytic effect on the CO₂ reduction reaction （CO₂RR）. This is mainly because the adjustable pore structure of COFs allows them to adsorb a large amount of CO₂ and the π-π stacking structure in COFs can promote charge transfer， which can greatly improve the efficiency of CO₂ reduction. COFs can be used as photo/electrocatalysts to efficiently reduce CO₂ to CO， CH₄， HCOOH and other products. This review discusses the important achievements of CO₂RR catalyzed by COFs， including photo/electrocatalytic CO₂RR and photoelectric coupling CO₂RR. In addition， the future development of COFs as CO₂RR catalysts is also prospected.