Fluorene-Based Oligomers for Highly Efficient and Stable Organic Blue-Light-Emitting Diodes

被引：109

作者：

Zhen, Chang-Gua ^{[1
]}

Chen, Zhi-Kuan ^{[1
]}

Liu, Qin-De ^{[1
]}

Dai, Yan-Feng ^{[1
]}

Shin, Richard Yee Cheong ^{[1
]}

Chang, Soon-Yee ^{[1
]}

Kieffer, John ^{[2
]}

机构：

[1] Inst Mat Res & Engn, Singapore 117602, Singapore

[2] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA

来源：

ADVANCED MATERIALS | 2009年 / 21卷 / 23期

关键词：

SEMICONDUCTING POLYMERS; EXCITON FORMATION; TRIPLET EXCITONS; THIN-FILMS; DEVICES; ELECTROLUMINESCENCE; EMISSION; SINGLET; LAYER;

D O I：

10.1002/adma.200900095

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly efficient and stable blue-light-emitting materials consisting of oligofluorenyl blocks and charge transporting segments are synthesized. The external quantum efficiencies of the solution-processed light-emitting diodes were of up to 6.1% and 8.6% for undoped and doped devices, respectively. The exceedingly high efficiency and excellent stability of these devices suggest that these new developed materials are very promising for deep-blue-light OLEDs.

引用

页码：2425 / +

页数：6

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