Issue 7, 2012
From the journal:

Journal of Materials Chemistry

Fused indole derivatives as high triplet energy hole transport materials for deep blue phosphorescent organic light-emitting diodes

Min Su Park,a   Dae Hyuk Choi,b   Bum Sung Leeb  and  Jun Yeob Lee*a  

* Corresponding authors

a Department of Polymer Science and Engineering, Dankook University, 126, Jukjeon-dong, Suji-gu, Yongin, Gyeonggi, Republic of Korea
E-mail: leej17@dankook.ac.kr
Fax: +82 31 8005 3585
Tel: +82 31 8005 3585

b Corporate R&D center, Duksan Hi-Metal Co., Ltd., Floor #11, Heung-Duk U-Tower, Youngduk-dong, Kiheung-Gu, Yongin-City, Geonggi-Do, Korea

Abstract

High triplet energy hole transport materials based on novel fused indole core structure were synthesized and their device performances in deep blue phosphorescent organic light emitting diodes (PHOLEDs) were investigated. The fused indole based hole transport materials showed a high triplet energy over 2.90 eV and high glass transition temperature over 120 °C. The high triplet energy hole transport materials were used in deep blue PHOLEDs and gave a high external quantum efficiency of 24.7% with a color coordinate of (0.137,0.182).

Graphical abstract: Fused indole derivatives as high triplet energy hole transport materials for deep blue phosphorescent organic light-emitting diodes

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Article information

DOI
https://doi.org/10.1039/C2JM15204E
Article type
Paper
Submitted
13 Oct 2011
Accepted
03 Dec 2011
First published
05 Jan 2012

J. Mater. Chem., 2012,22, 3099-3104

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Fused indole derivatives as high triplet energy hole transport materials for deep blue phosphorescent organic light-emitting diodes

M. S. Park, D. H. Choi, B. S. Lee and J. Y. Lee, J. Mater. Chem., 2012, 22, 3099 DOI: 10.1039/C2JM15204E

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