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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 21138–21146

Enhanced green luminescence in Ce-Tb-Ca codoped sintered porous glass

Zijun Liu, Nengli Dai, Huaixun Luan, Yubang Sheng, Jinggang Peng, Zuowen Jiang, Haiqing Li, Luyun Yang, and Jinyan Li  »View Author Affiliations


Optics Express, Vol. 18, Issue 20, pp. 21138-21146 (2010)
http://dx.doi.org/10.1364/OE.18.021138


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Abstract

We report on a new kind of green-emitting high silica luminous glass, which is fabricated by sintering of Ce3+-Tb3+ co-doped porous glass. The spectra show that there are energy transfer between Ce3+ and Tb3+, and cross-relaxation between 5D3 and 5D4 energy level of Tb3+. The energy transfer process can be adjusted by addition of Ca2+ into the Ce3+-Tb3+ co-doped porous glass, and the transfer rate can be enhanced about four times than that of Ce3+-Tb3+ co-doped porous glass. The role of Ca2+ has been discussed, and the fluorescence decay curve reveals that the Ca2+ play an important role in energy transfer.

© 2010 OSA

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Materials

History
Original Manuscript: May 25, 2010
Revised Manuscript: July 9, 2010
Manuscript Accepted: July 12, 2010
Published: September 22, 2010

Citation
Zijun Liu, Nengli Dai, Huaixun Luan, Yubang Sheng, Jinggang Peng, Zuowen Jiang, Haiqing Li, Luyun Yang, and Jinyan Li, "Enhanced green luminescence in Ce-Tb-Ca codoped sintered porous glass," Opt. Express 18, 21138-21146 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-21138


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