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Luminescence Properties of Tm3+ /Dy3+ Co-Doped Zinc-Aluminum Phosphate Glasses for White LED

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Abstract:

Tm3+ and Dy3+ co-doped zinc-aluminum phosphate glasses were prepared in this study. Judd-Ofelt theory has been used to evaluate the three intensity parameters Ω2, Ω4 and Ω6 form the experimental oscillator strengths. The luminescence properties were investigated by excitation and emission spectra. White light emission could be induced by combined blue and yellow bands under UV excitation, and the variety of excitation wavelength could change the luminescence color.

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Periodical:

Advanced Materials Research (Volumes 602-604)

Pages:

821-828

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.602-604.821

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Online since:

December 2012

Authors:

C.T. Lin, S.W. Yung, J. Lin, W.S. Chen, C.H. Lai, Y.M. Lee, J.S. Lin

Keywords:

Phosphate Glass, Rare Earth (RE), White Light

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