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A water-stable Tb(III)-based metal–organic gel (MOG) for detection of antibiotics and explosives

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Abstract

The rapid detection of antibiotics and organic explosives has gradually garnered great attention, due to concerns about sustainability and the environment. In this work, a luminescent Tb-based metal organic gel (MOG(Tb) gel) was prepared by Al-based MOG induced in situ replacement of Al3+ with Tb3+. Remarkably, the strong emission of the post-synthesized MOG(Tb) xerogel can be quenched efficiently by using trace amounts of sulfamethazine (SMZ) and sulfadiazine (SDZ) even in the presence of other competing antibiotics. Furthermore, the MOG(Tb) xerogel has shown its application as a chemosensor for the highly selective detection of nitroaromatics such as 2,4-dinitrophenol (2,4-DNT) and 2,6-dinitrophenol (2,6-DNT). To further verify the recyclability of MOG(Tb), detection experiments were carried out with recovered xerogel to give a satisfactory result.

Graphical abstract: A water-stable Tb(iii)-based metal–organic gel (MOG) for detection of antibiotics and explosives

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Publication details

The article was received on 19 Aug 2017, accepted on 01 Nov 2017 and first published on 02 Nov 2017


Article type: Research Article
DOI: 10.1039/C7QI00495H
Citation: Inorg. Chem. Front., 2018, Advance Article
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    A water-stable Tb(III)-based metal–organic gel (MOG) for detection of antibiotics and explosives

    Z. Qin, W. Dong, J. Zhao, Y. Wu, Q. Zhang and D. Li, Inorg. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QI00495H

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