Robust multivariate metal-porphyrin frameworks for efficient ambient fixation of CO2 to cyclic carbonates. 2019

Liang He, and Jayanta Kumar Nath, and Qipu Lin
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. linqipu@fjirsm.ac.cn.

A family of multivariate metal-organic frameworks (MOFs) with three-kinds of orderly distributed metals were designed and successfully synthesized by combining metalloporphyrin sheets and pentafluoride (NbOF5)2- pillars. Benefiting from the cooperative nature of open-metal-sites (OMSs) within porphyrins, specific pore-sizes, coupled with fluorine-rich electrostatic environments, the fabricated materials demonstrated high affinity toward CO2, and good catalytic performance, structural robustness, and good recyclability for the conversion of epoxides and CO2 to cyclic carbonates at room temperature and 1 atm pressure.

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