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Cyanocarbazole Derivatives for High-Performance Electroluminescent Devices

✍ Scribed by K. R. Justin Thomas; M. Velusamy; J. T. Lin; Y.-T. Tao; C.-H. Chuen

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
264 KB
Volume
14
Category
Article
ISSN
1616-301X

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✦ Synopsis

Abstract

3‐Cyano‐9‐diarylamino carbazoles have been synthesized. These new compounds emit in the blue to green region. Double‐layer electroluminescent devices using these compounds as the hole‐transport/emitting materials are highly efficient. Two of the compounds can be fabricated into single‐layer devices with good performance. Green‐ and blue‐emitting devices with good performance were also fabricated using one of the compounds as the hole‐injection layer.

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✍ P. Kundu; K.R. Justin Thomas; J.T. Lin; Y.-T. Tao; C.-H. Chien 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 216 KB 👁 2 views

## Abstract A series of dicarbazolyl derivatives bridged by various aromatic spacers and decorated with peripheral diarylamines were synthesized using Ullmann and Pd‐catalyzed C–N coupling procedures. These derivatives emit blue light in solution. In general, they possess high glass‐transition temp