Photoluminescence and electroluminescence properties of a samarium complex Sm(TTA)3phen

被引：31
|
作者：
Deng, Ruiping
Yu, Jiangbo
Zhang, Hongjie [1 ]
Zhou, Liang
Peng, Zeping
Li, Zhefeng
Guo, Zhiyong
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2007年 / 443卷 / 4-6期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.cplett.2007.06.080
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The photoluminescence (PL) and electroluminescence (EL) properties of a samarium complex Sm(TTA)(3)phen (TTA = 2-thenoyltri-fluoroacetonate, phen = 1, 10-phenanthroline) were investigated. The results show that Sm(TTA)3phen could be used as promising luminescent and electron transporting material in the electroluminescent devices. The difference between PL and EL spectra was noticed and discussed. Besides, it is noteworthy that the choice of the hole transporting layer (HTL) showed significant effect on the device performance, which was explained by the low-lying highest occupied molecular orbit (HOMO) level of Sm(TTA)3phen and the different hole injection barrier at the HTL/EML (emitting material layer) interface. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：258 / 263
页数：6
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