Highly efficient blue phosphorescent OLEDs using large bandgap host materials

Fu Chuan Fang*, Yuan Li Liao, Ken Tsung Wong, Ming Han Tsai, Hao Wu Lin, Hai-Ching Su, Chung Chih Wu, Chih I. Wu

*此作品的通信作者

研究成果: Conference contribution同行評審

1 引文 斯高帕斯(Scopus)

摘要

The synthesis and properties of 3,6-bis(triphenylsilyl)carbazole as an effective host material for blue electrophosphorescence are reported. The electrochemically active C3 and C6 sites of carbazole are non-conjugated blocked with the steric, bulky and large-gap triphenylsilyls, the resulting new compound retains the large triplet energy of carbazole yet exhibits much enhanced morphological stability and electrochemical stability in comparison with previous carbazole-based host materials. Using this new host material, blue phosphorescent OLEDs having high efficiencies up to 16%, 30.6 cd/A and 26. 7 lm/W are demonstrated.

原文English
主出版物標題Organic Optoelectronics and Photonics II
DOIs
出版狀態Published - 9 8月 2006
事件Organic Optoelectronics and Photonics II - Strasbourg, France
持續時間: 3 4月 20066 4月 2006

出版系列

名字Proceedings of SPIE - The International Society for Optical Engineering
6192
ISSN(列印)0277-786X

Conference

ConferenceOrganic Optoelectronics and Photonics II
國家/地區France
城市Strasbourg
期間3/04/066/04/06

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