THE EFFECT OF BARIUM CONTENT ON THE LUMINESCENCE PROPERTY OF DYSPROSIUM-DOPED BORATE GLASSES
DOI:
https://doi.org/10.55766/sujst-2023-05-e02783Keywords:
Borate Glass, Dysprosium, PhotoluminescenceAbstract
Barium sodium borate glasses doped with Dy2O3 were fabricated in this work with the variation of barium oxide concentration. The excitation spectra, with 575 nm emission, show the highest excitation band at 349 nm. The emission spectra, with 349 nm excitation, show the emission bands at 482 and 575 nm. The highest emission light yield has occurred when the glass sample has 10 mol% of BaO. The (x,y) color coordinates of the emitted light from all the glass samples were (0.37,0.41) that point at the white light region in the CIE 1931 color space. The Y/B ratio indicates a high asymmetric environment around Dy3+ ions. The luminescence lifetimes are found to be 0.455 for all the glass samples.
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