Blue-Light-Emitting Bis(diarylamino)stilbene Derivatives: Synthesis, Photophysical Properties, and Highly Efficient OLEDs

被引：2

作者：

Kim, Seul Ong ^{[1
]}

Lee, Kum Hee ^{[1
]}

Kwon, Hyuck Joo ^{[2
]}

Kim, Young Kwan ^{[2
]}

Yoon, Seung Soo ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Dept Chem, Suwon 440746, Gyeonggi Do, South Korea

[2] Hongik Univ, Dept Informat Display, Seoul, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2010年 / 530卷

关键词：

Bis(diarylamino)stilbene; blue fluorescent materials; Buchwald-Hartwig cross-coupling reaction; organic light-emitting diode; DIODES;

D O I：

10.1080/15421406.2010.495886

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New electroluminescent materials, 4,4'-bis(2-naphthyl-4-tert-butylphenylamino)-stilbene (1), 4,4'-bis(4-tert-butylphenyl-3,5-di-tert-butylphenylamino) stilbene (2), and 4,4'-bis(di-4-tert-butylphenylamino) stilbene (3) were synthesized and characterized. To evaluate the electroluminescent properties of these compounds, multilayered OLED devices 1-3 were designed. By employing blue dopant 1 into a multilayer device, it was possible to achieve a maximum luminance of 8861 cd m(-2) at 12.0 V, a luminous efficiency of 6.82 cd A(-1) at 20 mA cm(-2), a power efficiency of 2.72 lm W-1 at 20 mA cm(-2), and CIEx,y coordinates of (x = 0.158, y = 0.187) at 10.0 V. These results demonstrated the superiority of these bis(diarylamino)-stilbene derivatives in organic light-emitting devices.

引用

页码：196 / 203

页数：8

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