Influence of Isostructural Substitution of Gadolinium By Europium(III) on the Luminescent Properties of K3Gd(PO4)2:Eu

Solid solutions of K 3 Gd(PO 4 ) 2 :Eu containing 0.1 to 10 mole % of europium(III) were obtained by solid-phase interaction. The obtained micropowders were characterized by X-ray phase analysis, IR, and luminescence spectroscopy. It is shown that doping does not affect the symmetry of the double ph...

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Bibliographic Details
Published in:Theoretical and experimental chemistry 2021-05, Vol.57 (2), p.121-125
Main Authors: Terebilenko, K. V., Chornii, V. P., Lysenko, A. V., Petrenko, O. V., Nedilko, S. G., Slobodyanik, M. S.
Format: Article
Language:English
Subjects:
Attenuation
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Europium
Gadolinium
Infrared analysis
Infrared spectroscopy
Luminescence
Optical properties
Phosphors
Photoluminescence
Room temperature
Solid phases
Solid solutions
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Summary:Solid solutions of K 3 Gd(PO 4 ) 2 :Eu containing 0.1 to 10 mole % of europium(III) were obtained by solid-phase interaction. The obtained micropowders were characterized by X-ray phase analysis, IR, and luminescence spectroscopy. It is shown that doping does not affect the symmetry of the double phosphate framework. All studied samples are characterized by intense red photoluminescence at room temperature, which is associated with the 5 D 0 → 7 F 0-4 radiation transitions in Eu 3+ ions. The absence of concentration attenuation and color characteristics of the samples indicate the prospects of using the K 3 Gd 0.9 Eu 0.1 (PO 4 ) 2 compound as a red phosphor.
ISSN:0040-5760
1573-935X
DOI:10.1007/s11237-021-09680-8