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6 August 2023 Study on the luminescence properties of Dy3+ doped glass ceramics containing Ba2NaNb5O15 crystal phase
Tong Wang, Hongbo Zhang, Chunhui Su
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Proceedings Volume 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023); 127813Q (2023) https://doi.org/10.1117/12.2686676
Event: 2023 International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 2023, Guangzhou, JS, China
Abstract
Energy saving and environmental protection have been the global industrial development trend, for solid state lighting and display, it is necessary to explore novel materials for light conversion. In recent years, rare earth doped glass-ceramics exhibit remarkable luminescent properties. Dy3+ was selected as the doping ion and glass-ceramics were prepared. XRD results showed that Ba2NaNb5O15 crystal phase was precipitated in the glass-ceramic obtained by holding at 710°C for 150 min. The transmittance of the sample prepared under this condition was about 66% in the visible light region. Using 388 nm as the excitation wavelength, samples containing Dy3+ exhibit characteristic emission peaks at 483 nm and 574 nm. The sample with 0.6%Dy3+ content has the best emission intensity, and the concentration quenching dominated by dipole-dipole interaction occurs after the doping concentration exceeds 0.6%. The chromaticity coordinates of 0.6%Dy3+ doped glass-ceramic were (0.2758, 0.3278), belonging to white light emission. The results show that this kind of glass-ceramic was a potential white light conversion material.
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Tong Wang, Hongbo Zhang, and Chunhui Su "Study on the luminescence properties of Dy3+ doped glass ceramics containing Ba2NaNb5O15 crystal phase", Proc. SPIE 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 127813Q (6 August 2023); https://doi.org/10.1117/12.2686676
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KEYWORDS
Dysprosium
Glass ceramics
Materials properties
Transmittance
Doping
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