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Issue 36, 2017
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NIR emission and luminescent sensing of a lanthanide–organic framework with Lewis basic imidazole and pyridyl sites

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Abstract

A series of lanthanide–organic frameworks [Ln(Himdc)(ina)(H2O)]n (Ln = Eu 1a; Sm 1b; and Nd 1c, H3imdc = imidazole-4,5-dicarboxylic acid, Hina = isonicotinic acid) were synthesized under hydrothermal conditions. All compounds 1a–1c consist of a 3D microporous lanthanide carboxylate ([Eu(COO)3]n) framework and uncoordinated Lewis basic pyridyl and imidazole groups hung in the channels. The luminescence investigations show that the compound 1c displays an interesting NIR luminescence property. The compound 1a exhibits a good potential as a luminescent multi-responsive sensing material for Fe3+ ions and Cr2O72− anions.

Graphical abstract: NIR emission and luminescent sensing of a lanthanide–organic framework with Lewis basic imidazole and pyridyl sites

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Publication details

The article was received on 27 Jul 2017, accepted on 17 Aug 2017 and first published on 18 Aug 2017


Article type: Paper
DOI: 10.1039/C7DT02745A
Citation: Dalton Trans., 2017,46, 12106-12113
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    NIR emission and luminescent sensing of a lanthanide–organic framework with Lewis basic imidazole and pyridyl sites

    L. Liu, X. Qiu, Y. Wang, Q. Shi, Y. Sun and Y. Chen, Dalton Trans., 2017, 46, 12106
    DOI: 10.1039/C7DT02745A

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