Selective CO 2  Adsorption By Methyl‐Functionalized Metal‐Organic Framework | Zendy

Ma Deyun | Zendy; Li Zhi | Zendy; Jiang Fei | Zendy; Ma Yanhua | Zendy; Lin Wanchun | Zendy; Wen Meiling | Zendy; Liu Bei | Zendy; Xu Jun | Zendy

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Selective CO 2 Adsorption By Methyl‐Functionalized Metal‐Organic Framework

Author(s) -

Ma Deyun,

Li Zhi,

Jiang Fei,

Ma Yanhua,

Lin Wanchun,

Wen Meiling,

Liu Bei,

Xu Jun

Publication year - 2017

Publication title -

chemistryselect

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 34

ISSN - 2365-6549

DOI - 10.1002/slct.201701610

Subject(s) - sorption , adsorption , selectivity , thermal stability , metal organic framework , molecule , water vapor , powder diffraction , chemistry , metal , porosity , ethanol , selective adsorption , materials science , chemical engineering , inorganic chemistry , organic chemistry , crystallography , catalysis , engineering

A hydrophobic porous MOF functionalized by methyl groups with a chemical formula {[Cd 2 (oba) 2 (dmbpy)(H 2 O)]⋅2(EtOH)⋅4(H 2 O)} n ( 1 ) (oba=4,4′‐oxydibenzoate, dmbpy=3,3′‐dimethyl‐4,4′‐bipyridine, EtOH=ethanol) was synthesized and structurally characterized. 1 exhibits a 3D framework with a 1D channel parallel to the c axis. TGA, PXRD, and water vapor sorption results show high thermal and water stability for the framework. More importantly, 1 shows a very high adsorption selectivity to CO 2 as compared to other small gas molecules (e. g. CH 4 , N 2 , O 2 , CO and H 2 ) at 298 K based on the results of simulations and experiments.

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