High-efficiency blue phosphorescent organic light-emitting diodes using a carbazole and carboline-based host material

被引：51

作者：

Kim, Sun Jae ^{[1
]}

Kim, Young Jae ^{[2
]}

Son, Young Hoon ^{[2
]}

Hur, Jung A. ^{[1
]}

Um, Hyun Ah ^{[1
]}

Shin, Jicheol ^{[1
]}

Lee, Tae Wan ^{[1
]}

Cho, Min Ju ^{[1
]}

Kim, Jung Keun ^{[3
]}

Joo, Sunghoon ^{[3
]}

Yang, Joong Hwan ^{[3
]}

Chae, Gee Sung ^{[3
]}

Choi, Kihang ^{[1
]}

Kwon, Jang Hyuk ^{[2
]}

Choi, Dong Hoon ^{[1
]}

机构：

[1] Korea Univ, Dept Chem, Res Inst Nat Sci, Seoul 136701, South Korea

[2] Kyung Hee Univ, Dept Informat Display, Seoul 130701, South Korea

[3] LG Display Co LTD, Paju Si 413811, Gyeonggi Do, South Korea

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 60期

基金：

新加坡国家研究基金会;

关键词：

BIPOLAR HOSTS; ELECTROPHOSPHORESCENCE; MOLECULE; DESIGN; GREEN;

D O I：

10.1039/c3cc42569j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel bipolar host 9-(4-(9H-pyrido[2,3-b]indol-9-yl)phenyl)-9H-3,9'-bicarbazole (pBCb2Cz) was prepared for high efficiency blue phosphorescent organic light-emitting diodes (PhOLEDs), a high triplet energy (ET) material, employing electron-deficient alpha-carboline. pBCb2Cz (E-T = 2.93 eV) was effective as a host material for FIrpic- and FCNIrpic-based blue PhOLEDs, and highest quantum efficiencies of 23.0 and 16.2%, respectively, were achieved.

引用

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页码：6788 / 6790

页数：3

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