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Self-assembly of luminescent 42-metal lanthanide nanowheels with sensing properties towards metal ions and nitro explosives

Abstract

Two 42-metal lanthanide wheel-like nanoclusters 1 and 2 were successfully constructed from a tridentate vanillin ligand. The external and internal diameters of the wheels in the clusters are about 3.6 nm and 1.5 nm, respectively. The vanillin ligand exhibits a μ2(η1:η2:η1) coordination mode in the structures of the clusters. In the solid state, 1 and 2 have open 3D channel structures. Upon excitations in ligand absorption bands, 1 and 2 exhibit typical NIR luminescence of Yb3+ and visible emission of Sm3+, respectively. Interestingly, 1 shows lanthanide luminescent sensing towards metal ions and nitro explosives, especially to Cu2+, Cd2+ and 2-NP at the ppm level.

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Publication details

The article was received on 01 Sep 2019, accepted on 07 Oct 2019 and first published on 10 Oct 2019


Article type: Paper
DOI: 10.1039/C9TC04821A
J. Mater. Chem. C, 2019, Accepted Manuscript

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    Self-assembly of luminescent 42-metal lanthanide nanowheels with sensing properties towards metal ions and nitro explosives

    D. Shi, X. Yang, H. Chen, Y. Ma, D. Schipper and R. A. Jones, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC04821A

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