Abstract

Metal-organic frameworks are booming development as porous crystalline materials and immensely attract lots of interest all around the world. A novel 3D Co-based MOF was successfully prepared by assembling Co(II) and H5tbdpb under solvothermal method. The as-made sample was investigated and characterized by many testing methods. Notably, uncoordinated carboxylic acids were reserved in the porous skeleton. By virtue of porous structure, CO2 adsorption capacity, and two catalytic centers of –COOH as Brønsted acid and Co(II) as Lewis acid, this MOF is able to high-efficiently fix CO2 and various epoxides to cyclic carbonates with preferable recyclability.

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