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Issue 40, 2018
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BaCaLu2F10:Ln3+ (Ln = Eu, Dy, Tb, Sm, Yb/Er, Yb/Ho) spheres: ionic liquid-based synthesis and luminescence properties

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Abstract

Alkaline earth metal rare earth fluoride BaCaLu2F10:Ln3+ (Ln = Eu, Dy, Tb, Sm, Yb/Er, Yb/Ho) submicrospheres with uniform morphology and size were synthesized via a facile ionic liquid-based hydrothermal route. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and photoluminescence (PL) spectroscopy were used to characterize the samples. The effect of synthetic conditions such as solvent amount, pH, reaction temperature and time on the morphology and size of the final materials was investigated, and a formation mechanism was proposed. The ultraviolet-to-visible down-conversion luminescence of BaCaLu2F10:Ln3+ (Ln = Eu, Dy, Tb, Sm), the up-conversion luminescence of BaCaLu2F10 : Ln3+ (Ln = Yb/Er, Yb/Ho), and also the doping site were studied. It was demonstrated that BaCaLu2F10 was suitable for being utilized as a luminescent host matrix.

Graphical abstract: BaCaLu2F10:Ln3+ (Ln = Eu, Dy, Tb, Sm, Yb/Er, Yb/Ho) spheres: ionic liquid-based synthesis and luminescence properties

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Publication details

The article was received on 02 Jul 2018, accepted on 06 Sep 2018 and first published on 07 Sep 2018


Article type: Paper
DOI: 10.1039/C8CE01080C
Citation: CrystEngComm, 2018,20, 6173-6182
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    BaCaLu2F10:Ln3+ (Ln = Eu, Dy, Tb, Sm, Yb/Er, Yb/Ho) spheres: ionic liquid-based synthesis and luminescence properties

    W. Liu, Q. Sun, M. Yan, Y. Song, X. Zhou, Y. Sheng, K. Zheng and H. Zou, CrystEngComm, 2018, 20, 6173
    DOI: 10.1039/C8CE01080C

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