title: Polar Ketone-Functionalized Metal-Organic Framework Showing a High CO2Adsorption Performance.
abstract: The incorporation of various functionalities into porous metal-organic frameworks (MOFs) represents an efficacious strategy to improving their gas adsorption properties. In this work, a carbonylated tetracarboxylic acid ligand (5,5'-carbonyldiisophthalic acid) was synthesized, and a ketone-functionalized MOF with exposed metal sites based on this ligand was formed successfully. Structural analysis reveals that the new MOF possesses channels decorated by the carbonyl groups and rhombicuboctahedral cages, with open CuIIsites pointing toward the cage center. The framework exhibits exceptionally high CO2(46.7 wt % at 273 K and 1 bar) and H2(2.8 wt % at 77 K and 1 bar) uptake. Furthermore, it displays high selectivities of CO2adsorption over N2and CH4at 298 K.
authors.affiliation: State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing, Jiangsu Province 210093, P. R. China.
authors.forename: Genfeng
authors.initials: G
authors.lastname: Feng
authors.affiliation: State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing, Jiangsu Province 210093, P. R. China.
authors.forename: Yuxin
authors.initials: Y
authors.lastname: Peng
authors.affiliation: School of Physics Science & Technology and Jiangsu Key Laboratory for NSLSCS, Nanjing Normal University , Nanjing, Jiangsu Province 210023, P. R. China.
authors.forename: Wei
authors.initials: W
authors.lastname: Liu
authors.affiliation: State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing, Jiangsu Province 210093, P. R. China.
authors.forename: Feifan
authors.initials: F
authors.lastname: Chang
authors.affiliation: School of Physics Science & Technology and Jiangsu Key Laboratory for NSLSCS, Nanjing Normal University , Nanjing, Jiangsu Province 210023, P. R. China.
authors.forename: Yafei
authors.initials: Y
authors.lastname: Dai
authors.affiliation: State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing, Jiangsu Province 210093, P. R. China.
authors.forename: Wei
authors.identifier: http://orcid.org/0000-0002-1071-1055
authors.initials: W
authors.lastname: Huang