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Issue 8, 2019
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Lanthanide anthracene complexes: slow magnetic relaxation and luminescence in DyIII, ErIII and YbIII based materials

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Abstract

Four mononuclear lanthanide complexes, [Ln(depma)2(H2O)6]Cl3·xH2yCH3OH [Ln = Dy (1Dy), x = 6, y = 0; Gd (2Gd), x = 3, y = 1; Er (3Er), x = 6, y = 0; Yb (4Yb), x = 3, y = 1; depma = 9-diethylphosphono-methylanthracene], are reported and structurally characterized. The octa-coordinated environment of LnIII is composed of two oxygen atoms from two different depma ligands and six oxygen atoms from each bound water molecule. All four complexes show photoluminescence in the solid state at room temperature, originating from the ligand-centered emissions of depma. Furthermore, slow magnetization relaxation is found in 1Dy, 3Er and 4Yb with the energy barriers (Ueff) of 40.5 K (1 kOe), 9.8 K (1 kOe) and 28.9 K (0.75 kOe), respectively.

Graphical abstract: Lanthanide anthracene complexes: slow magnetic relaxation and luminescence in DyIII, ErIII and YbIII based materials

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Publication details

The article was received on 06 Jan 2019, accepted on 29 Jan 2019 and first published on 29 Jan 2019


Article type: Paper
DOI: 10.1039/C9DT00073A
Dalton Trans., 2019,48, 2735-2740

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    Lanthanide anthracene complexes: slow magnetic relaxation and luminescence in DyIII, ErIII and YbIII based materials

    Q. Zou, X. Huang, J. Liu, S. Bao and L. Zheng, Dalton Trans., 2019, 48, 2735
    DOI: 10.1039/C9DT00073A

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