Approximate prediction of the CIE coordinates of lanthanide-doped materials from the Judd-Ofelt intensity parameters
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© 2019 Elsevier B.V.
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A theoretical model for approximate evaluation of CIE chromaticity coordinates from the Judd-Ofelt intensity parameters has been presented. By reviewing the photoluminescence properties of all the lanthanides, the model's applicability was restricted to Nd3+, Sm3+, Eu3+, Tb3+ and Dy3+. Explicit equations for calculation of CIE coordinates for each of the allowed lanthanides were tested on Y2O3:Eu3+, P2O5·ZnO·Al2O3·BaO·PbO:Tb3+, LiNbO3:Dy3+, LaF3:Sm3+, LaF3:Eu3+, Ca3Sc2Si3O12:Eu3+, and TeO2·TiO2·Nb2O5:Nd3+ by comparing the CIE coordinates of the actual spectra to the coordinates obtained from the Judd-Ofelt parameters, with overall adequate matching. © 2019 Elsevier B.V.
Keywords:CIE / Chromaticity / Lanthanide / Color / Judd-ofelt
Source:Journal of Luminescence, 2019, 213, 395-400
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ISSN: 0022-2313 (print); 1872-7883 (electronic)