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Abstract
The B2O3-Bi2O3-AlF3 glass system doped with Eu3+, Tb3+, Tm3+ and triply doped with Eu3+/Tm3+/Tb3+ ions in different molar ratios were successfully synthesized. Glass transition and crystallization temperatures were examined by Differential Scanning Calorimetry (DSC) measurements. X-ray Diffraction (XRD) confirmed the amorphous character of the samples. Fourier Transform Infrared Spectroscopy (FTIR) revealed that the glass matrix consists of [BO3] and [BO4] structural units, while X-ray Photoelectron Spectroscopy (XPS) confirmed the presence of AlF3. An increase in luminescence spectra intensity was detected by Photoluminescence Spectroscopy (Pl), due to the presence of 10 mol% of AlF3. The RE3+ ions embedded in the glass matrix can be simultaneously excited by a single UV light. According to the CIE results the emitted color can be tunable by varying the excitation wavelength and sample composition. The presented results confirm that the proposed glass system could be a candidate for color-tunable phosphors in LEDs.
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Authors (7)
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Anna Synak dr
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Mirosław Behrendt
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF NON-CRYSTALLINE SOLIDS
no. 605,
ISSN: 0022-3093 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Milewska K., Maciejewski M., Łapiński M., Synak A., Behrendt M., Sadowski W., Kościelska B.: Structural and luminescence properties of B2O3-Bi2O3-AlF3 glass doped with Eu3+, Tb3+ and Tm3+ ions// JOURNAL OF NON-CRYSTALLINE SOLIDS -Vol. 605, (2023),
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jnoncrysol.2023.122169
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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