Highly efficient green organic light emitting diode with a novel solution processable iridium complex emitter

被引：33

作者：

Jou, Jwo-Huei ^{[1
]}

Li, Chieh-Ju ^{[1
]}

Shen, Shih-Ming ^{[1
]}

Peng, Shiang-Hau ^{[1
]}

Chen, Yu-Lin ^{[1
]}

Jou, Yung-Cheng ^{[1
]}

Hong, James H. ^{[1
]}

Chin, Chih-Lung ^{[2
]}

Shyue, Jing-Jong ^{[3
]}

Chen, Shih-Pu ^{[4
]}

Li, Jung-Yu ^{[4
]}

Wang, Po-Hung ^{[4
]}

Chen, Cheng-Chang ^{[4
]}

机构：

[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

[2] Ind Technol Res Inst, Mat & Chem Res Labs, Hsinchu 30013, Taiwan

[3] Acad Sinica, Res Ctr Appl Sci, Taipei 11529, Taiwan

[4] Ind Technol Res Inst, Adv Lighting Technol Dept, Hsinchu 30013, Taiwan

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2013年 / 1卷 / 27期

关键词：

ELECTROLUMINESCENT DEVICES; EMISSION; SEMICONDUCTOR; PERFORMANCE; INJECTION; BARRIER; BLUE;

D O I：

10.1039/c3tc30606b

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We demonstrate a high-efficiency green organic light-emitting diode (OLED) with a solution-processed emissive layer composed of a novel green light emitting iridium complex, bis [5-methyl-8-trifluoromethyl-5H-benzo(c) (1,5)naphthyridin-6-one]iridium(pyrazinecarboxylate). By coupling with a proper host, the green device shows at 1000 cd m(-2) an external quantum efficiency of 23.8%, current efficiency of 95.6 cd A(-1), and efficacy of 60.8 lm W-1, the highest among all reported OLEDs with a solution-processed emissive layer. The high efficiency may be attributed to the host possessing a zero electron injection barrier, resulting in a more balanced carrier-injection.

引用

页码：4201 / 4208

页数：8

共 35 条

[1] Nearly 100% internal phosphorescence efficiency in an organic light-emitting device [J].