Issue 63, 2016

Lanthanide metal–organic frameworks based on a 1,2,3-triazole-containing tricarboxylic acid ligand for luminescence sensing of metal ions and nitroaromatic compounds

Abstract

A series of novel 3D lanthanide metal–organic frameworks based on unsymmetrical 1,2,3-triazole-containing tricarboxylic acid ligand 5-[4-(4-carboxy-phenyl)-[1,2,3]triazol-1-yl]-isophthalic (H3TAIP) has been synthesized under solvothermal conditions. The ligand was synthesized with diethyl-5-azidoisophthalate and 4-ethynyl-benzoic acid ethyl ester through the copper-catalyzed azide alkyne cycloaddition (CuAAC) reaction. Single-crystal X-ray diffraction analyses reveal that these metal–organic frameworks are isostructural. The structures are constructed by bi-nuclear lanthanide metal clusters and TAIP3− ligands and possess flu-3,6-C2/c net with point symbol (42.6)2(44.62.87.102). We explore the luminescence properties of compound 1, which shows the characteristic emission of Tb3+ and exhibits selective detection of 4-nitrophenol and Fe3+ ions in ethanol solution over other nitroaromatic compounds and metal ions.

Graphical abstract: Lanthanide metal–organic frameworks based on a 1,2,3-triazole-containing tricarboxylic acid ligand for luminescence sensing of metal ions and nitroaromatic compounds

Supplementary files

Article information

Article type
Paper
Submitted
09 mrt 2016
Accepted
06 jun 2016
First published
08 jun 2016

RSC Adv., 2016,6, 57828-57834

Lanthanide metal–organic frameworks based on a 1,2,3-triazole-containing tricarboxylic acid ligand for luminescence sensing of metal ions and nitroaromatic compounds

D. Wang, L. Sun, C. Hao, Y. Yan and Z. Liang, RSC Adv., 2016, 6, 57828 DOI: 10.1039/C6RA06303A

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