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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 3 — Mar. 1, 2012
  • pp: 031602–

White light generation of glass ceramics containing Ba2LaF7:Eu2+, Tb3+ and Sm3+ nanocrystals

Yang Xu, Shuo Cui, Hengyi Fu, Jiangyun Qian, Qun Luo, Xusheng Qiao, Xianping Fan, and Xianghua Zhang  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 3, pp. 031602- (2012)


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Abstract

The Eu2+/Tb3+/Sm3+ co-doped oxyfluoride glass ceramics containing Ba2LaF7 nanocrystals are prepared in the reducing atmosphere. The X-ray diffraction results show that Eu2+, Tb3+ and Sm3+ ions are enriched into the precipitated Ba2LaF7 nanophase after the annealing process. It deduces efficient energy transfers from Eu2+ to Tb3+ and Sm3+ and intenses warm white luminescence of the glass ceramics. Comparing with the glass, the luminescence quantum yield of the glass ceramics is also enlarged by about 3 times. This demonstrates the potential white light-emitting diode application of the glass ceramics produced in this letter.

© 2012 Chinese Optics Letters

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(160.6990) Materials : Transition-metal-doped materials

ToC Category:
Materials

Citation
Yang Xu, Shuo Cui, Hengyi Fu, Jiangyun Qian, Qun Luo, Xusheng Qiao, Xianping Fan, and Xianghua Zhang, "White light generation of glass ceramics containing Ba2LaF7:Eu2+, Tb3+ and Sm3+ nanocrystals," Chin. Opt. Lett. 10, 031602- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-3-031602


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