Enhanced electroluminescence of Eu3+ by Tb3+ in complexes Tb1-xEux(TTA)(3)Dipy
Lv, Yuguang; Zhang, Jingchang; Wang, Lingxuan; Cao, Weiliang; Xu, Zheng
AbstractA series of rare earth ternary compounds of Tb1-XEu,(TTA)(3)Dipy (HTTA = thenoyltrifluoroacetone, Dipy = 2,2(')-dipyridyl) have been synthesized, and the characteristics of the compounds have been performed by DTA-TG, IR, UV and fluorescence spectroscopy. Photoluminescence measurements indicated that the complexes of Eu(III) emit strong red luminescence under UV radiation. IR spectra suggest that complexes have been successfully synthesized, and TG curves indicate that the complexes are stable up to a temperature of about 220 degrees C. The Eu complex was blended with poly(N-vinylcarbazole) (PVK) and spin coated into films, and electroluminescence devices with the structure of Indium Tin Oxide (ITO)/PVK:Tb1-xEux(TTA)(3)Dipy/BCP(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline)/ aluminum quinoline (AlQ)/Al were fabricated, the luminescence of Eu3+ complexes enhances after doping with Tb3+. Therefore, it may be an effective method to improve the EL intensity of the lanthanide complex. (C) 2007 Elsevier B.V. All rights reserved.
KeywordRare Earth Complexes Synthesis Electroluminescence Energy Transfer
Indexed BySCI
WOS IDWOS:000250280600019
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Document Type期刊论文
Corresponding AuthorZhang, Jingchang
Affiliation1.Beijing Univ Sci & Technol, Inst Modern Catalysis, State Key Lab Chem Resoure Engn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100080, Peoples R China
3.Jiamusi Univ, Coll Chem & Pharm, Jiamust 154007, Peoples R China
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GB/T 7714
Lv, Yuguang,Zhang, Jingchang,Wang, Lingxuan,et al. Enhanced electroluminescence of Eu3+ by Tb3+ in complexes Tb1-xEux(TTA)(3)Dipy[J]. JOURNAL OF LUMINESCENCE,2008,128(1):117-122.
APA Lv, Yuguang,Zhang, Jingchang,Wang, Lingxuan,Cao, Weiliang,&Xu, Zheng.(2008).Enhanced electroluminescence of Eu3+ by Tb3+ in complexes Tb1-xEux(TTA)(3)Dipy.JOURNAL OF LUMINESCENCE,128(1),117-122.
MLA Lv, Yuguang,et al."Enhanced electroluminescence of Eu3+ by Tb3+ in complexes Tb1-xEux(TTA)(3)Dipy".JOURNAL OF LUMINESCENCE 128.1(2008):117-122.
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