Chin. Phys. Lett.  2002, Vol. 19 Issue (12): 1884-1886    DOI:
Original Articles |
Enhanced Brightness of Eu3+ Complex in Organic Electroluminescent Devices by Using Another Rare-Earth Ion
BAI Feng1;DENG Zhen-Bo1;GAO Xin1;LI Yong2;XU Yi-Zhuang2;WU Jin-Guang2
Institute of Optoelectronics Technology, Laboratory of 1Materials for Information Storage and Display, Ministry of Railway Key Laboratory, Northern Jiaotong University, Beijing 100044 2College of Chemistry and Molecular Engineering, State Key Laboratory of Rare Earth Materials Chemistry and Application, Peking University, Beijing 100871
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BAI Feng, DENG Zhen-Bo, GAO Xin et al  2002 Chin. Phys. Lett. 19 1884-1886
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Abstract Rare-earth ions Tb3+ ion and La3+ ion were used as a bridge to improve the energy transfer from the polymer to an Eu complex. The material Tb(La 0.5Eu0.5(BSA)3phen was synthesized and used as the emission layer in the device: ITO/PVK:Tb(La)0.5Eu0.5(BSA)3phen/Alq/Al. The two device were compared in details and it was found that the device used La0.5Eu0.5(BSA)3phen as the emission material had better Monochromatic characteristics with the maximal brightness of 102 cd/m2 and the colour coordinates x = 0.55 and y = 0.36.
Keywords: 78.60.Fi      85.60.Jb     
Published: 01 December 2002
PACS:  78.60.Fi (Electroluminescence)  
  85.60.Jb (Light-emitting devices)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2002/V19/I12/01884
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BAI Feng
DENG Zhen-Bo
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WU Jin-Guang
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