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Issue 42, 2015
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Influence of Y3+, Gd3+, and Lu3+ co-doping on the phase and luminescence properties of monoclinic Eu:LaVO4 particles

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Abstract

Nano-sized particles of monoclinic-LaVO4 were prepared in a short reaction time of 30 minutes by employing a microwave assisted hydrothermal synthesis in the presence of glycerol, which was used both as a solvent and structure-directing agent. The tetragonal-LaVO4 is known to show strong luminescence properties when doped with Ln3+, whereas the monoclinic-LaVO4 is usually considered not suitable for luminescence and therefore luminescence properties of monoclinic-LaVO4 doped with Ln3+ ions are seldom investigated. Due to the scarce amount of research on the topic of luminescence of Ln3+ doped monoclinic-LaVO4 in this paper a detailed study of solid state luminescence properties, including quantum yields, of nano-sized monoclinic-LaVO4 doped with different molar percentages of Eu3+ is presented. It was observed that the 12.5%Eu3+ doped sample showed the strongest luminescence properties. Additionally a study of the influence of different rare-earth ions (Y3+, Gd3+, Lu3+) co-doped into the particles was performed in order to explore the potential of increasing the luminescence of these materials. Furthermore stable colloidal suspensions of the Eu3+ doped monoclinic-LaVO4 nanoparticles showing strong red emission could be obtained.

Graphical abstract: Influence of Y3+, Gd3+, and Lu3+ co-doping on the phase and luminescence properties of monoclinic Eu:LaVO4 particles

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Supplementary files

Article information


Submitted
14 Aug 2015
Accepted
28 Sep 2015
First published
29 Sep 2015

Dalton Trans., 2015,44, 18418-18426
Article type
Paper
Author version available

Influence of Y3+, Gd3+, and Lu3+ co-doping on the phase and luminescence properties of monoclinic Eu:LaVO4 particles

R. Van Deun, M. D'hooge, A. Savic, I. Van Driessche, K. Van Hecke and A. M. Kaczmarek, Dalton Trans., 2015, 44, 18418
DOI: 10.1039/C5DT03147H

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