Alkyl effects on the optoelectronic properties of bicarbazole/cyanobenzene hybrid host materials: Double delayed fluorescent host/dopant systems in solution-processed OLEDs
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- 作者：Xudong Caoa ; Jia Hua ; Youtian Taoa ; iamyttao@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wenbo Yuana ; Jie Jina ; Xiaoxuan Maa ; Xinwen Zhangb ; iamxwzhang@njupt.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Huanga ; b ; iamwhuang@njtech.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Delayed fluorescence ; Bicarbazole ; Solution-process ; Bipolar ; Host
- 刊名：Dyes and Pigments
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：136
- 期：Complete
- 页码：543-552
- 全文大小：1307 K
文摘
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Three alkyl substituted bicarbazole/cyanobenzene hybrids have been synthesized.
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The compounds exhibited excellent electrochemical-oxidative stability.
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Alkyl substitution (CH3 and CF3) can tune optoelectronic and transport behaviors.
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Devices based on double TADF host-dopant system showed high efficiency.