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Issue 11, 2018
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Three new super water-stable lanthanide–organic frameworks for luminescence sensing and magnetic properties

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Abstract

Three new lanthanide compounds, [Ln(HL)(H2O)3]n (1-Ln) (Ln = Eu, Tb and Dy), with isostructural structures have been constructed by a semi-rigid ligand 1-(3,5-dicarboxylatobenzyl)-3,5-pyrazole dicarboxylic acid (H4L) and Ln(NO3)3·6H2O using the solvothermal method. Three compounds show two-dimensional (2D) grid layer-stacking frameworks with interlayer channels decorated with carboxylic acid groups. 1-Eu exhibits excellent water stability and strong luminescence. Importantly, as a probe for sensing different metal ions and anions, 1-Eu shows highly specific recognition to Fe3+, CrO42− and Cr2O72− ions. Meanwhile, the mechanisms of luminescence quenching were studied, and antiferromagnetic exchange interactions existed in 1-Dy.

Graphical abstract: Three new super water-stable lanthanide–organic frameworks for luminescence sensing and magnetic properties

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Publication details

The article was received on 20 Jan 2018, accepted on 27 Mar 2018 and first published on 23 Apr 2018


Article type: Paper
DOI: 10.1039/C8NJ00348C
Citation: New J. Chem., 2018,42, 9221-9227

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    Three new super water-stable lanthanide–organic frameworks for luminescence sensing and magnetic properties

    W. Tong, T. Liu, G. Li, J. Liang, L. Hou and Y. Wang, New J. Chem., 2018, 42, 9221
    DOI: 10.1039/C8NJ00348C

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