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Issue 14, 2014
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Facile template free synthesis of KLa(MoO4)2:Eu3+,Tb3+ microspheres and their multicolor tunable luminescence

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Abstract

Trivalent rare-earth (RE3+ = Eu3+, Tb3+) ion activated KLa(MoO4)2 microspheres have been synthesized at 180 °C via a facile hydrothermal route without using any templates, surfactant, or other organic additives. X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), photoluminescence (PL), and photoluminescent excitation spectra (PLE) were employed to characterize the samples. It is found that the pH value in the initial solution is responsible for crystal phase, shape determination and emission intensity of final products. The possible formation mechanism for products with uniform spheres has been presented. Furthermore, a systematic study on the photoluminescence of RE3+ (RE3+ = Eu3+, Tb3+) doped KLa(MoO4)2 samples has been explored in order to obtain the multicolor tunable emission by varying the Tb3+/Eu3+ ratio. The tunable luminescence may be potentially applied in fields such as solid state lighting and field emission displays.

Graphical abstract: Facile template free synthesis of KLa(MoO4)2:Eu3+,Tb3+ microspheres and their multicolor tunable luminescence

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Publication details

The article was received on 07 Nov 2013, accepted on 02 Jan 2014 and first published on 06 Jan 2014


Article type: Paper
DOI: 10.1039/C3DT53151A
Citation: Dalton Trans., 2014,43, 5382-5392
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    Facile template free synthesis of KLa(MoO4)2:Eu3+,Tb3+ microspheres and their multicolor tunable luminescence

    L. Hou, S. Cui, Z. Fu, Z. Wu, X. Fu and J. H. Jeong, Dalton Trans., 2014, 43, 5382
    DOI: 10.1039/C3DT53151A

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