Two Robust In(III)-Based Metal–Organic Frameworks with Higher Gas Separation, Efficient Carbon Dioxide Conversion, and Rapid Detection of Antibiotics

With the aid of a pyridyl tetracarboxylate ligand, 2,5-bis­(2′,5′-dicarboxylphenyl)­pyridine (H4L), two indium–organic frameworks, [In2(L)­(OH)2]·2DMF·2H2O (1) and [Me2NH2]­[In­(L)]·2.5NMF·4H2O (2), with (6,8)- and (4,4)-connected nets have been constructed in different solvent systems. Both 1 and 2...

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Published in:Inorganic chemistry 2020-04, Vol.59 (7), p.5231-5239
Main Authors: Zhang, Bin, Guo, Pan-Yue, Ma, Li-Na, Liu, Bo, Hou, Lei, Wang, Yao-Yu
Format: Article
Language:English
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Summary:With the aid of a pyridyl tetracarboxylate ligand, 2,5-bis­(2′,5′-dicarboxylphenyl)­pyridine (H4L), two indium–organic frameworks, [In2(L)­(OH)2]·2DMF·2H2O (1) and [Me2NH2]­[In­(L)]·2.5NMF·4H2O (2), with (6,8)- and (4,4)-connected nets have been constructed in different solvent systems. Both 1 and 2 exhibit high thermal and chemical stability. Gas sorption behavior of 1 and 2 for N2, C2H2, C2H4, CO2, and CH4 indicate excellent separation selectivities of C2H x /CH4 and CO2/CH4. Furthermore, 1 possesses a high density of Brønsted sites and shows efficient catalytic conversion for CO2 cycloaddition with epoxides. Meanwhile, luminescence investigations reveal that 2 can detect nitrofurazone efficiently.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.0c00539