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Issue 39, 2018
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Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions

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Abstract

Two types of 4- and 9-metal lanthanide-based nanoclusters [Ln2Zn2(L1)2(OAc)6] (Ln = Yb (1) and Er (2)) and [Yb9L2(L3)2(OAc)15(OH)8(H2O)2(DMF)] (3) were constructed using two Schiff base ligands that have long backbones with two and three phenyl groups. The molecular sizes of 1–2 and 3 are about 7 × 10 × 23 Å and 11 × 17 × 22 Å, respectively. These clusters exhibit typical NIR luminescence of lanthanide ions. Interestingly, 3 exhibits luminescent sensing of metal ions and exhibits high sensitivities towards Cd2+ and Co2+ ions at the ppm level.

Graphical abstract: Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions

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Publication details

The article was received on 13 Aug 2018, accepted on 09 Sep 2018 and first published on 10 Sep 2018


Article type: Paper
DOI: 10.1039/C8DT03308K
Citation: Dalton Trans., 2018,47, 13880-13886
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    Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions

    H. Chen, X. Yang, D. Jiang, D. Shi and L. Zhang, Dalton Trans., 2018, 47, 13880
    DOI: 10.1039/C8DT03308K

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