Issue 43, 2019

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 μ2121) coordination mode in the structures of the clusters. In the solid state, 1 and 2 have open 3D channel structures. Upon excitation in the 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.

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

Supplementary files

Article information

Article type
Paper
Submitted
01 sept. 2019
Accepted
07 oct. 2019
First published
10 oct. 2019

J. Mater. Chem. C, 2019,7, 13425-13431

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, 7, 13425 DOI: 10.1039/C9TC04821A

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