Structure, luminescence and energy transfer of LiLa(MoO4)2:Dy3+, Eu3+ crystal

Structure, luminescence and energy transfer of LiLa(MoO4)2:Dy3+, Eu3+ crystal LiLa(MoO4)2: Dy3+ and LiLa(MoO4)2: Dy3+, Eu3+ phosphors were successfully synthesized by conventional solid state reaction method. The crystal structure, luminescent properties and energy transfer mechanism of the samples were researched. The optimal Dy3+ doping concentration of LiLa(MoO4)2 (LLM) excited by ultraviolet was 5mol%. Upon 454nm excited, the energy transfer mechanism between Dy3+ and Eu3+ in co-doped LLM phosphors was identified as dipole-dipole interactions. The energy transfer efficiency from Dy3+ to Eu3+ and the CIE coordinates of LLM: Dy3+, Eu3+ crystals have been calculated. The results show that the energy transfer from Dy3+ to Eu3+ in the system is efficient and the sample colors are changed in the greenish yellow region. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Luminescence Elsevier

Structure, luminescence and energy transfer of LiLa(MoO4)2:Dy3+, Eu3+ crystal

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0022-2313
eISSN
1872-7883
D.O.I.
10.1016/j.jlumin.2017.12.013
Publisher site
See Article on Publisher Site

Abstract

LiLa(MoO4)2: Dy3+ and LiLa(MoO4)2: Dy3+, Eu3+ phosphors were successfully synthesized by conventional solid state reaction method. The crystal structure, luminescent properties and energy transfer mechanism of the samples were researched. The optimal Dy3+ doping concentration of LiLa(MoO4)2 (LLM) excited by ultraviolet was 5mol%. Upon 454nm excited, the energy transfer mechanism between Dy3+ and Eu3+ in co-doped LLM phosphors was identified as dipole-dipole interactions. The energy transfer efficiency from Dy3+ to Eu3+ and the CIE coordinates of LLM: Dy3+, Eu3+ crystals have been calculated. The results show that the energy transfer from Dy3+ to Eu3+ in the system is efficient and the sample colors are changed in the greenish yellow region.

Journal

Journal of LuminescenceElsevier

Published: May 1, 2018

References

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