| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1306447 | Inorganica Chimica Acta | 2016 | 5 Pages |
•A three-dimensional microporous charged metal–organic framework is reported.•The MOF shows much higher uptake of CO2 than those of CH4 and N2 at 273 K and 1 atm.•The separation factor of CO2/N2 and CO2/CH4 of the MOF could reach 24.97 and 105.09, respectively.
A microporous metal–organic framework [InL][(CH3)2NH2]·(H4L = 9-(3,5-dicarboxyphenyl)carbazole-3,6-dicarboxylic acid) (1) was hydrothermally synthesized and structurally characterized by single crystal X-ray diffraction and powder X-ray diffraction. The adsorption behavior of 1 has been investigated with respect to CO2, CH4 and N2, and the separation efficiency has been calculated by the Henry’s law analysis of isotherm data. The results indicated that the anionic framework with the inside protonated dimethylamine could enhance its selective adsorption performance for CO2 through strong adsorbent–adsorbate interaction aroused by a strong electrostatic field and pore size effect.
Graphical abstractA novel three-dimensional charged metal–organic framework has been synthesized, which exhibits high selectivities of CO2 over CH4 and N2.Figure optionsDownload full-size imageDownload as PowerPoint slide
