As metal−organic framework(MOF)production scales up to meet industrial needs,the MOF field finds itself looking for less hazardous and more energy efficient synthetic protocols.Effective methods that operate under amb...As metal−organic framework(MOF)production scales up to meet industrial needs,the MOF field finds itself looking for less hazardous and more energy efficient synthetic protocols.Effective methods that operate under ambient conditions will be a huge production advantage that can promote MOF industrialization.To deepen our understanding of room temperature(RT)MOF synthesis,we investigate RT formation of Hf and Ce UiO-66 derivatives.We report the first successful RT synthesis of Hf UiO-66-X(X=–COOH,–NO_(2),–NH_(2),–Br and–(OH)2)by first forming a hafnium oxocluster at 80℃ in water or 120℃ in DMF and subsequently adding the linker at RT.Further,we present a green,one-step synthesis protocol for Ce UiO-66 derivatives in aqueous media either with or without a modulator.We compare the crystallinity,morphology,and yield of these one-step and two-step RT methods.This study advances current chemical understanding of RT synthesis of Hf and Ce UiO-66 structures and could help material chemists develop green RT synthesis protocols for other MOF structures.展开更多
基金supported by the Spanish State Research Agency(AEI)and the European Regional Development Fund(ERFD)through the project PID2020–15935RB-C42The European Union’s Horizon 2020 Research and Innovation Programmes is also acknowledged for the funding of the LCSC3-RES-25-20204AirCRAFT(Ref.:101022633)project+1 种基金In addition,4AirCRAFT project was also supported by Japan Science and Technology Agency(JST)Mission Innovation Challenge was supported by the Sao Paulo Research Foundation(FAPESP).
文摘As metal−organic framework(MOF)production scales up to meet industrial needs,the MOF field finds itself looking for less hazardous and more energy efficient synthetic protocols.Effective methods that operate under ambient conditions will be a huge production advantage that can promote MOF industrialization.To deepen our understanding of room temperature(RT)MOF synthesis,we investigate RT formation of Hf and Ce UiO-66 derivatives.We report the first successful RT synthesis of Hf UiO-66-X(X=–COOH,–NO_(2),–NH_(2),–Br and–(OH)2)by first forming a hafnium oxocluster at 80℃ in water or 120℃ in DMF and subsequently adding the linker at RT.Further,we present a green,one-step synthesis protocol for Ce UiO-66 derivatives in aqueous media either with or without a modulator.We compare the crystallinity,morphology,and yield of these one-step and two-step RT methods.This study advances current chemical understanding of RT synthesis of Hf and Ce UiO-66 structures and could help material chemists develop green RT synthesis protocols for other MOF structures.
