Luminescence Spectra of YGG:RE3+,Bi3+ RE= Eu and Tb) and Energy Transfer from Bi3+ to RE3+
ZHU Nan-Fei1,2, LI Yong-Xiang1, YU Xiao-Feng1,2
1The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 2000502Postgraduate School of the Chinese Academy of Sciences, Beijing 100049
Luminescence Spectra of YGG:RE3+,Bi3+ RE= Eu and Tb) and Energy Transfer from Bi3+ to RE3+
ZHU Nan-Fei1,2; LI Yong-Xiang1;YU Xiao-Feng1,2
1The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 2000502Postgraduate School of the Chinese Academy of Sciences, Beijing 100049
摘要We investigate the luminescence properties of Bi3+ and RE3+ (RE = Tb or Eu) in a Y3Ga5O12 (YGG) host system. The additional doping of Bi3+ can enhance the luminescence of Tb3+ or Eu3+ in this host. Energy transfer from Bi3+ to Tb3+ and Eu3+ is observed and the mechanism of energy transfer is investigated. Mechanism of energy transfer can be explained as electric multipole interaction since the Bi3+ emission band and Tb3+ or Eu3+ excitation band overlaps and the Bi3+ emission intensity decreases while the intensity of Tb3+ or Eu3+ increases with the increase of Tb3+ or Eu3+ concentration. Therefore, Bi3+ ion is a kind of efficient sensitizer to the Tb3+ and Eu3+ activators in the Y3Ga5O12 host.
Abstract：We investigate the luminescence properties of Bi3+ and RE3+ (RE = Tb or Eu) in a Y3Ga5O12 (YGG) host system. The additional doping of Bi3+ can enhance the luminescence of Tb3+ or Eu3+ in this host. Energy transfer from Bi3+ to Tb3+ and Eu3+ is observed and the mechanism of energy transfer is investigated. Mechanism of energy transfer can be explained as electric multipole interaction since the Bi3+ emission band and Tb3+ or Eu3+ excitation band overlaps and the Bi3+ emission intensity decreases while the intensity of Tb3+ or Eu3+ increases with the increase of Tb3+ or Eu3+ concentration. Therefore, Bi3+ ion is a kind of efficient sensitizer to the Tb3+ and Eu3+ activators in the Y3Ga5O12 host.
ZHU Nan-Fei; LI Yong-Xiang;YU Xiao-Feng;. Luminescence Spectra of YGG:RE3+,Bi3+ RE= Eu and Tb) and Energy Transfer from Bi3+ to RE3+[J]. 中国物理快报, 2008, 25(2): 703-706.
ZHU Nan-Fei, LI Yong-Xiang, YU Xiao-Feng,. Luminescence Spectra of YGG:RE3+,Bi3+ RE= Eu and Tb) and Energy Transfer from Bi3+ to RE3+. Chin. Phys. Lett., 2008, 25(2): 703-706.
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2008, Vol. 25 
