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Proceedings Paper

Abnormal reduction of Eu ions in silver borate glasses
Author(s): Yanmin Yang; Xiaohui Hao; Wei Zhang
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Paper Abstract

The reduction of Eu3+ to Eu2+ has been realized under air atmosphere in silver borate glasses. By controlling sliver concentration in silver borate glasses, the emission of Eu2+ can be tuned from 440nm to 510nm. So, bright and tunable white lights have been achieved in europium single doped silver borate glasses. It is believed that europium single doped silver borate glass is potentially useful as an ultraviolet-convertible phosphor for white-light emitting diodes. Because europium single doped silver borate glass can not only conquer the difficulty in color and lifetime balance of the multi-color phosphors LEDs, but also avoid energy transfer and cross-relaxation between two/three kinds of different rare earths, which may result in quenching fluorescence.

Paper Details

Date Published: 21 July 2010
PDF: 4 pages
Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 77490T (21 July 2010); doi: 10.1117/12.869450
Show Author Affiliations
Yanmin Yang, Hebei Univ. (China)
Xiaohui Hao, Hebei Univ. (China)
Wei Zhang, Hebei Univ. (China)

Published in SPIE Proceedings Vol. 7749:
2010 International Conference on Display and Photonics

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