Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4803448
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- Flemish Government
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Tm3+-Tb3+-Eu3+ co-doped oxyfluoride glasses, doped with about 3.0 mol. % TmF3, 0.25 mol.% TbF3, and 0.25 mol. % EuF3, have been prepared by melt quenching technique. Under excitation at commercial 365 nm, the rare-earth co-dopants are all directly excited and emit in the blue, green, and red, respectively, without appreciable energy transfer amongst the co-dopants. Tint of the white luminescence can be adjusted by changing the ratio of the co-dopants. Properties of the glass host promote excellent dissolution of the co-dopants and low non-radiative decay rate. The white emission at 365 nm excitation is suitable for light emitting diodes applications. (C) 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4803448]
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