Issue 22, 2016

Solvent-induced construction of two zinc metal–organic frameworks for highly selective detection of nitroaromatic explosives

Abstract

Two novel zinc metal–organic frameworks [Zn3(TPT)2(DMF)2]·0.5HNMe2 (1) and NH2Me2·[Zn(TPT)]·DMF (2) have been synthesized by using Zn(II) ions and p-terphenyl-3,4′′,5-tricarboxylic acid (H3TPT). The structures of these two MOFs are dependent on the solvents used in the synthetic processes. Compound 1 was synthesized in a mixture of DMF and H2O, while compound 2 was obtained in the presence of DMF and ethanol. The three-dimensional (3D) framework of 1 is constructed by the connection of Zn–carboxylate chains and TPT3− linkers. The structure of 2 can be described as a 3,6-connected network based on the assembly of binuclear zinc clusters and TPT3− ligands. These two MOFs exhibit ligand-based photoluminescence at around 375 nm, as well as high efficiency for the recyclable detection of nitroaromatic explosives.

Graphical abstract: Solvent-induced construction of two zinc metal–organic frameworks for highly selective detection of nitroaromatic explosives

Supplementary files

Article information

Article type
Paper
Submitted
06 nov. 2015
Accepted
17 dic. 2015
First published
17 dic. 2015

CrystEngComm, 2016,18, 4102-4108

Author version available

Solvent-induced construction of two zinc metal–organic frameworks for highly selective detection of nitroaromatic explosives

C. Zhang, Y. Yan, L. Sun, Z. Liang and J. Li, CrystEngComm, 2016, 18, 4102 DOI: 10.1039/C5CE02172C

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