Synthesis and characterization of star-shaped organic light emitting materials containing long alkyl chain

被引：5
|
作者：
Kim, JE
Song, SY
Shim, HK [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Ctr Adv Funct Polymers, Dept Chem, Taejon 305701, South Korea
[2] Korea Adv Inst Sci & Technol, Sch Mol Sci BK 21, Taejon 305701, South Korea
来源：
SYNTHETIC METALS | 2001年 / 121卷 / 1-3期
关键词：
electroluminescence; light sources; optical absorption and emission spectroscopy;
D O I：
10.1016/S0379-6779(00)00920-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Star-shaped organic light-emitting materials, CrossTPA (triphenylamine) and CrossCar (carbazole) were prepared through palladium-catalyzed vinylation of organic halides and characterized by UV-visible and photoluminescence (PL) spectroscopy. These materials are soluble in common organic solvents and have good thermal stability up to ca. 300 degreesC. The maximum PL and electroluminescence (EL) peaks of CrossTPA appeared at 510 nm and 520 nm, respectively, which both peaks for CrossCar appeared at 500 nm. The turn-on voltages of CrossTPA and CrossCar were 13.5 V and 19 V for the devices of Al/emissive layer/ ITO LED.
引用
收藏
页码：1665 / 1666
页数：2
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