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

The reaction of Cd(NO(3))(2)·4H(2)O and Zn(NO(3))(2)·6H(2)O with the bipyridyl dicarboxylate ligand H(2)bpydc (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 re...

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Detalles Bibliográficos
Autores principales: Tshuma, Piwai, Makhubela, Banothile C. E., Ndamyabera, Christophe A., Bourne, Susan A., Mehlana, Gift
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2020
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7674654/
https://www.ncbi.nlm.nih.gov/pubmed/33251183
http://dx.doi.org/10.3389/fchem.2020.581226
Descripción
Sumario:The reaction of Cd(NO(3))(2)·4H(2)O and Zn(NO(3))(2)·6H(2)O with the bipyridyl dicarboxylate ligand H(2)bpydc (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 CO(2) volumetric uptakes of 26.50 and 30.89 cm(3) (STP) g(−1) (1.18 and 1.39 mmol g(−1)) whist JMS-4 gave 10.96 and 16.08 cm(3) (STP) g(−1) (0.49 and 0.71 mmol g(−1)) at 298 and 273 K respectively.

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