Glass-Ceramic Materials with Luminescent Properties in the System ZnO-B2O3-Nb2O5-Eu2O3

In this paper, the crystallization behavior of 50ZnO:47B2O3:3Nb2O3:0.5Eu2O3 (G-0 h) glass has been investigated in detail by DSC, XRD and TEM analysis. The luminescent properties of the resulting glass-ceramics were also investigated. By XRD and TEM analysis, crystallization of several crystalline p...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2024-07, Vol.29 (15), p.3452
Main Authors: Aleksandrov, Lyubomir, Yordanova, Aneliya, Milanova, Margarita, Iordanova, Reni, Tzvetkov, Peter, Markov, Pavel, Petrova, Petia
Format: Article
Language:English
Subjects:
Binary system
Ceramics
Crystal structure
Crystallization
glass ceramics
Heat treating
luminescence
TEM
Temperature
XRD
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Summary:In this paper, the crystallization behavior of 50ZnO:47B2O3:3Nb2O3:0.5Eu2O3 (G-0 h) glass has been investigated in detail by DSC, XRD and TEM analysis. The luminescent properties of the resulting glass-ceramics were also investigated. By XRD and TEM analysis, crystallization of several crystalline phases has been proved (α-Zn3B2O6, β-Zn3B2O6 and ZnNb2O6). By calculating crystal parameters, it was found that europium ions are successfully incorporated in the β-Zn3B2O6. Photo-luminescent spectra showed increased emission in the resulting glass-ceramic samples compared to the parent glass sample due to higher asymmetry of Eu3+ ions in the obtained crystalline phases. It was established that the optimum emission intensity is registered for glass-ceramic samples obtained after 25 h heat treatment of the parent glass.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules29153452