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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 6 — Jun. 1, 2013
  • pp: 061604–

Energy transfer in Ce, Nd, and Yb co-doped YAG phosphors

Lulu Wang, Changtai Xia, Peng Xu, Juqing Di, Qinglin Sai, and Fei Mou  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 6, pp. 061604- (2013)


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Abstract

YAG-Ce, Nd, and Yb phosphors with a triple-doped system are prepared by conventional solid-state reaction method. The fluorescence emission and excitation spectra are measured and analyzed. The influences of Yb3+ doping concentration on the emission of Yb3+ and Nd3+ in YAG-Ce, Nd, and Yb are studied. The fluorescence decay spectra, lifetime, and energy transfer efficiency of Ce3+ in different host materials of YAG-Ce and Yb, and YAG-Ce, Nd, and Yb are also compared. Furthermore, the trends of fluorescence decay spectra and the lifetimes of Nd3+ and Yb3+ in YAG-Ce, Nd, and Yb with the increase of Yb3+concentration are discussed. Results indicate that YAG-Ce, Nd, and Yb are good candidates for downconverting phosphor, with energy transfer efficiency reaching as high as 82.8%.

© 2013 Chinese Optics Letters

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(160.4890) Materials : Organic materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Materials

Citation
Lulu Wang, Changtai Xia, Peng Xu, Juqing Di, Qinglin Sai, and Fei Mou, "Energy transfer in Ce, Nd, and Yb co-doped YAG phosphors," Chin. Opt. Lett. 11, 061604- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-6-061604


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