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Issue 18, 2018
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Lanthanide(III) coordination polymers for luminescence detection of Fe(III) and picric acid

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Abstract

Lanthanide coordination polymers (Ln-CPs) ([Eu(L)2(H2O)]Br·H2O)n (EuBr) and ([TbL2(H2O)2]Br·H2O)n (TbBr) have been synthesised and photoluminescence studies revealed that EuBr and TbBr exhibit a sensitive and fast luminescence quenching response to Fe3+ and picric acid (PA). The quenching effect constant (Ksv) of EuBr for Fe3+ can reach 3974 M−1 and that of TbBr can reach 4249 M−1. The Ksv of PA is calculated for EuBr as 17 000 M−1 and TbBr as 20 200 M−1. The recyclability experiment of the quenching ability of EuBr and TbBr in water can be tested at least 3 times. Thus, the lanthanide based coordination polymers are a good candidate for use as a multi-response luminescent sensor for the quantitative detection of toxic and hazardous substances in the environment.

Graphical abstract: Lanthanide(iii) coordination polymers for luminescence detection of Fe(iii) and picric acid

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Publication details

The article was received on 23 May 2018, accepted on 02 Jul 2018 and first published on 22 Aug 2018


Article type: Paper
DOI: 10.1039/C8NJ02546K
Citation: New J. Chem., 2018,42, 15306-15310
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    Lanthanide(III) coordination polymers for luminescence detection of Fe(III) and picric acid

    C. Xu, H. Huang, J. Ma, W. Liu, C. Chen, X. Huang, L. Yang, F. Pan and W. Liu, New J. Chem., 2018, 42, 15306
    DOI: 10.1039/C8NJ02546K

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