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Issue 40, 2014
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Nanoscale CaF2 doped with Eu3+ and Tb3+ through fluorolytic sol–gel synthesis

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Abstract

In this article, the high potential of the fluorolytic sol–gel process to synthesize nanoscopic rare earth-doped calcium fluoride sols is shown. Through a fluorolytic sol–gel process we manage to achieve spherical monodisperse ∼5 nm sized nanoparticles using a simple and reproducible one-pot-wet chemical route at room temperature. The as-synthesized clear sols exhibit an intense red and green luminescence under UV excitation at room temperature. A spectroscopic study of the sols revealed the characteristic transitions 5D07FJ of Eu3+ and 5D47FJ of Tb3+, with 5D07F2 (611 nm) of Eu3+ and 5D47F4 (581 nm) of Tb3+ as the most prominent transitions. This facile synthetic strategy is also valuable for developing other luminescent nanoparticles.

Graphical abstract: Nanoscale CaF2 doped with Eu3+ and Tb3+ through fluorolytic sol–gel synthesis

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Supplementary files

Article information


Submitted
22 May 2014
Accepted
02 Sep 2014
First published
02 Sep 2014

This article is Open Access

J. Mater. Chem. C, 2014,2, 8607-8613
Article type
Paper
Author version available

Nanoscale CaF2 doped with Eu3+ and Tb3+ through fluorolytic sol–gel synthesis

B. Ritter, T. Krahl, K. Rurack and E. Kemnitz, J. Mater. Chem. C, 2014, 2, 8607
DOI: 10.1039/C4TC01073F

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