Hexagonal Cages and Lewis Acid–Base Sites in a Metal–Organic Framework for Synergistic CO<sub>2</sub> Capture and Conversion under Mild Conditions
Weize Wang, Weixuan Chen, Wenke Yuan, Hai-Qun Xu, Bo Liu
Abstract
The cycloaddition reaction of carbon dioxide (CO2) is a highly economic solution to becoming carbon-neutral. Herein, we have designed and synthesized a robust zinc(II)–organic framework (Zn-Ade-TCPE) by a function-directed strategy. Zn-Ade-TCPE possesses uncommon hexagonal cages with Lewis acid–base bifunctional sites and displays a high adsorption capacity for CO2. At room temperature and atmospheric pressure, Zn-Ade-TCPE exhibits outstanding activity, selectivity, and recyclability in the cycloaddition reaction of epoxides with CO2 because of the synergistic effect of multiple active sites and confined cavities.
Topics & Concepts
ChemistryLewis acids and basesHexagonal crystal systemMetal-organic frameworkBase (topology)MetalBase metalInorganic chemistryCrystallographyNanotechnologyCatalysisOrganic chemistryAdsorptionMetallurgyMathematical analysisMaterials scienceMathematicsWeldingMetal-Organic Frameworks: Synthesis and ApplicationsCovalent Organic Framework ApplicationsCarbon dioxide utilization in catalysis