Positional Installation of Unsymmetrical Fluorine Functionalities onto Metal–Organic Frameworks for Efficient Carbon Dioxide Separation under Humid Conditions
Seongwoo Kim, Tae-Ung Yoon, Kwang Hyun Oh, Jaesung Kwak, Youn‐Sang Bae, Min Kim
Abstract
Unsymmetrical trifluoro functional groups were installed onto metal–organic frameworks (MOFs) at positions regulated by ligand exchange for efficient CO2 separation under humid conditions. These trifluoro groups induced molecular separation via dipole–dipole interactions. Their installation onto amino-functionalized MOF surfaces produced hydrophobic and CO2-philic core–shell MOFs for efficient CO2 adsorption.
Topics & Concepts
ChemistryAdsorptionMetal-organic frameworkLigand (biochemistry)FluorineDipoleCarbon dioxideCarbon fibersChemical engineeringMetalPolymer chemistryCombinatorial chemistryNanotechnologyOrganic chemistryComposite materialComposite numberBiochemistryMaterials scienceReceptorEngineeringMetal-Organic Frameworks: Synthesis and ApplicationsCovalent Organic Framework ApplicationsCarbon Dioxide Capture Technologies