Journal
POLYHEDRON
Volume 160, Issue -, Pages 207-212Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.12.048
Keywords
Metal-organic frameworks; Gas adsorption; Selective carbon dioxide adsorption; Water adsorption; Amide-functionalized linker
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Funding
- Natural Science Foundation of Jiangsu Normal University, China [17XLR044]
- Key Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions, China [13KJA430002]
- PAPD of Jiangsu Higher Education Institution
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Incorporating specific functionalities within the framework offers a significant opportunity to effectively improve gas capture ability and selectivity of MOFs. In this work, by employing oxo-centered trinuclear metal cluster and an amide-functionalized tetracarboxylate ligand (5-(3,5-dicarboxybenzamido)-isophthalic acid) (H4L), we have delicately constructed an indium based soc-MOF, [In-3(mu(3)-O)(L)(1.5)(H2O)(3)][NO3]center dot 5H(2)O center dot EtOH center dot 1.5DMF (1). Benefited from its integrated structural features (i.e. open metal sites, narrow and amide-functionalized channels), 1 demonstrates high CO2 uptake (119.0 cm(3) g(-1) at 1 bar and 273 K) as well as excellent selectivity for CO2 over N-2 (23.0 at 273 K). Moreover, enhanced high water stability makes 1 promising material for the water adsorption. (C) 2018 Published by Elsevier Ltd.
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