Efficient white organic light-emitting devices based on a novel phosphine oxide host with low driving voltage and excellent color stability

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Efficient white organic light-emitting devices based on a novel phosphine oxide host with low driving voltage and excellent color stability

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作者：Runda Guo^a ; Yukun Wu^a ; Pingrui Yan^a ; Shouzhen Yue^a ; Qingyang Wu^a ; ^b ; Chang Liu^a ; Shoucheng Hu^a ; Yi Zhao^a ; ^{yizhao@jlu.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：WOLED ; 4 ; 6-Bis(diphenylphosphoryl)dibenzofuran ; High efficiency ; Color stability ; Low turn-on voltage
刊名：Synthetic Metals
出版年：2016
出版时间：July 2016
年：2016
卷：217
期：Complete
页码：210-215
全文大小：2287 K

文摘

•: Efficient and simplified WOLEDs based on a novel host, 4,6-bis(diphenylphosphoryl)dibenzofuran (DBFDPO), are demonstrated.
•: The WOLEDs exhibit low turn-on voltage and excellent color stability.
•: The underlying mechanism that impact on color stability is finally clarified and discussed in detail.
•: A thin Ir(ppz)₃ interlayer is introduced to obtain balanced white emission and improve the efficiency.

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