Highly Efficient Green Phosphorescent OLED Based on Pyridine-containing Starburst Electron-transporting Materials

被引：23

作者：

Li, Yan-Jun ^{[1
]}

Sasabe, Hisahiro ^{[1
,2
]}

Su, Shi-Jian ^{[1
]}

Tanaka, Daisaku ^{[1
]}

Takeda, Takashi ^{[1
]}

Pu, Yong-Jin ^{[2
]}

Kido, Junji ^{[1
,2
]}

机构：

[1] OITDA, Bunkyo Ku, Tokyo 1120014, Japan

[2] Yamagata Univ, Dept Organ Device Engn, Yonezawa, Yamagata 9928510, Japan

来源：

CHEMISTRY LETTERS | 2010年 / 39卷 / 02期

关键词：

LIGHT-EMITTING DEVICES; ORGANIC ELECTROLUMINESCENT DEVICES; LAYERS; CONFINEMENT; EMISSION; ENERGY;

D O I：

10.1246/cl.2010.140

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Starburst materials, 1,3,5-tris[3,5-bis(pyrid-4-yl)phenyl]benzene (1a) and 1.3,5-tris[3,5-bis(pyrid-3-yl)phenyl]benzene (1b) were designed and synthesized. By using fac-tris(2-phenylpyridyl)iridium(III) [Ir(ppy)(3)] as a green emitter and I as an electron-transporting material, a green OLED was fabricated. The OLED exhibited a maximum power efficiency (PE) of 96 lm W-1 with ail external quantum efficiency (EQE) of 23% at 2.1 cd m(-2), and a PE of 75 lm W-1 with an EQE of 23% Lit 100 cd m(-2).

引用

页码：140 / 141

页数：2

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