Constructing diazacarbazole-bicarbazole bipolar hybrids by optimizing the linker group for high efficiency, low roll off electrophosphorescent devices

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Constructing diazacarbazole-bicarbazole bipolar hybrids by optimizing the linker group for high efficiency, low roll off electrophosphorescent devices

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作者：Xialei Lv ; Bo Wang ; Jianghong Tan ; Zhi Huang ; Qing Zhang ; Songpo Xiang ; Wei Liu ; Shaoqing Zhuang ; Lei Wang ; ^{wanglei@mail.hust.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：OLED ; Bipolar hosts ; Diazacarbazole ; Low efficiency roll-off
刊名：Dyes and Pigments
出版年：2017
出版时间：January 2017
年：2017
卷：136
期：Complete
页码：54-62
全文大小：1816 K

文摘

•: Three new bipolar hosts with excellent thermal stability and high E_T were designed and synthesized.
•: The correlation between molecular structure and properties were studied systematically.
•: The blue devices showed a maximum EQE of 20.0%, a low efficiency roll-off of 2% at the brightness of 1000 cd/m².

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