首页|Influence of glass formers and glass modifiers on spectral properties and CIE coordinates of Dy3+ ions in lead-free borate glasses
Influence of glass formers and glass modifiers on spectral properties and CIE coordinates of Dy3+ ions in lead-free borate glasses
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NSTL
Elsevier
Spectral properties of lead-free glasses doped with Dy3+ ions in function of glass formers and glass mod-ifiers were studied. The glass systems in a function of concentration GeO2 and CaO/SrO/BaO which was partially or totally replaced by CaF2/SrF2/BaF2 were synthesized. The visible luminescence spectra for obtained glasses were registered and value of parameters such as ratio of yellow-to-blue luminescence and the Commission Internationale de I'Eclairage (CIE) chromaticity coordinates (x, y) were analyzed in detail. The Y/B increase from 2.97 to 3.8 in systems with increasing of concentration glass former (GeO2), whereas ratio Y/B slightly decreases when the of content fluoride glass modifiers increases. The obtained results confirm that impact on visible luminescence of lead-free borate glasses doped with Dy3+ ions is greater for glass former than glass modifier. Moreover, studied systems can be used for opto-electronic as yellowish emitters. (C) 2021 Elsevier B.V. All rights reserved.
NSTL
Elsevier
