Issue 15, 2018

Engineering design toward exploring the functional group substitution in 1D channels of Zn–organic frameworks upon nitro explosives and antibiotics detection

Abstract

Three isostructural metal–organic frameworks denoted as Zn(L)(aip)·(H2O) (1), Zn(L)(ip)·(DMF)(H2O)1.5 (2), and Zn(L)(HBTC)·(H2O)2 (3) with functional groups –NH2, –H and –COOH, respectively, decorated on the 1D channels have been rationally designed with the purpose of exploring the influence of electron transfer from organic ligands in the 1D channels on the sensing of nitro explosives and antibiotics. These three compounds exhibit strong fluorescence in water, and they can be applied to detect the presence of explosives or antibiotics by means of fluorescence quenching in aqueous solution, whereas in terms of special explosives or antibiotics at the same concentration, 3 demonstrates a more superior quenching efficiency than 1 and 2. More importantly, it has been found that the difference in the sensing performances of these compounds is closely related to the interaction between the functional groups and guest molecules via electron and energy transfer from MOFs to explosives and antibiotics.

Graphical abstract: Engineering design toward exploring the functional group substitution in 1D channels of Zn–organic frameworks upon nitro explosives and antibiotics detection

Supplementary files

Article information

Article type
Paper
Submitted
12 Feb 2018
Accepted
15 Mar 2018
First published
15 Mar 2018

Dalton Trans., 2018,47, 5359-5365

Engineering design toward exploring the functional group substitution in 1D channels of Zn–organic frameworks upon nitro explosives and antibiotics detection

Z. Zhou, M. Han, H. Fu, L. Ma, F. Luo and D. Li, Dalton Trans., 2018, 47, 5359 DOI: 10.1039/C8DT00594J

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