Construction of hexanuclear Ce(III) metal−porphyrin frameworks through linker induce strategy for CO2 capture and conversion

• DOI: 10.1016/j.cattod.2020.12.038
• Publication Date: 2021-01-13T22:32:37Z
• Authors: Liangliang Zhang; Yang Feng; Huihui He; Yang Liu; Jiena Weng; Peng Zhang; Wei Huang
• Keywords: Linker

Abstract In this article, we report a series of hexanuclear rare-earth MOFs based on Ce (III) and 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin, namely Ce-PCN-224, with a new zln topology through linker induce strategy. Ce-PCN-224 exhibits permanent porosity, high water and thermal stabilities, and the ability to adsorb dye molecules in the aqueous environment. Moreover, after post-metallation with Fe, Co, and Ni, Ce-PCN-224(Fe) and Ce-PCN-224(Co) were proved to be efficient heterogeneous catalysts for the cycloaddition of CO2 with epoxides, attributed to the combination of multiple Lewis acidic sites.