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Synthesis and Characterization of 2D Metal-Organic Frameworks for Adsorption of Carbon Dioxide and Hydrogen.

ABSTRACT: The reaction of Cd(NO3)2·4H2O and Zn(NO3)2·6H2O with the bipyridyl dicarboxylate ligand H2bpydc (2,2'-bipyridine-4,4'-dicarboxylic acid) afforded two porous metal organic frameworks [Cd(bpydc)2(DMF)2·2DMF]n (JMS-3) and [Zn(bpydc)(DMF)·DMF]n (JMS-4). X-ray diffraction studies revealed that both JMS-3 and JMS-4 crystallize in the monoclinic crystal. The MOFs possess 2D interdigited networks with (sql) topology. Sorption studies showed that the activated phase of JMS-3 had CO2 volumetric uptakes of 26.50 and 30.89 cm3 (STP) g-1 (1.18 and 1.39 mmol g-1) whist JMS-4 gave 10.96 and 16.08 cm3 (STP) g-1 (0.49 and 0.71 mmol g-1) at 298 and 273 K respectively.

SUBMITTER: Tshuma P 

PROVIDER: S-EPMC7674654 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Synthesis and Characterization of 2D Metal-Organic Frameworks for Adsorption of Carbon Dioxide and Hydrogen.

Tshuma Piwai P   Makhubela Banothile C E BCE   Ndamyabera Christophe A CA   Bourne Susan A SA   Mehlana Gift G  

Frontiers in chemistry 20201105

The reaction of Cd(NO<sub>3</sub>)<sub>2</sub>·4H<sub>2</sub>O and Zn(NO<sub>3</sub>)<sub>2</sub>·6H<sub>2</sub>O with the bipyridyl dicarboxylate ligand H<sub>2</sub>bpydc (2,2'-bipyridine-4,4'-dicarboxylic acid) afforded two porous metal organic frameworks [Cd(bpydc)<sub>2</sub>(DMF)<sub>2</sub>·2DMF]<sub>n</sub> (JMS-3) and [Zn(bpydc)(DMF)·DMF]<sub>n</sub> (JMS-4). X-ray diffraction studies revealed that both JMS-3 and JMS-4 crystallize in the monoclinic crystal. The MOFs possess 2D interdigi  ...[more]

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