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Issue 3, 2016
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A chiral lanthanide metal–organic framework for selective sensing of Fe(iii) ions

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Abstract

A new luminescent lanthanide metal–organic framework was synthesized under hydrothermal conditions by introducing the tetracarboxylic acid ligand (H4bptc) as a chromophore to sensitize the luminescence of the Tb3+ ion. Interestingly, despite the achiral nature of H4bptc, the resulting framework exhibited rare chiral helical channels. The luminescence studies revealed that this material showed a highly selective fluorescence quenching response to Fe3+ ions in liquid suspension, which can be conveniently observed by the naked eye under UV light. Thus, this material can be potentially used as a chemosensor for sensing Fe3+ ions and its selective luminescence quenching response can be explained in terms of the competitive absorption mechanism.

Graphical abstract: A chiral lanthanide metal–organic framework for selective sensing of Fe(iii) ions

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Supplementary files

Article information


Submitted
25 Aug 2015
Accepted
21 Nov 2015
First published
26 Nov 2015

Dalton Trans., 2016,45, 1040-1046
Article type
Paper

A chiral lanthanide metal–organic framework for selective sensing of Fe(III) ions

X. Zhao, D. Tian, Q. Gao, H. Sun, J. Xu and X. Bu, Dalton Trans., 2016, 45, 1040
DOI: 10.1039/C5DT03283K

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