(2,2′-Binaphthyl-6,6′-diyl)bis(diphenylphosphine oxide) as a potentially simple and efficient electron-transport layer for stable organic light-emitting diodes
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- 作者：Wan-Yi Tana ; Dong-Yu Gaoa ; Shu Zhongb ; c ; Jian Zhanga ; Jian-Hua Zoua ; Xu-Hui Zhua ; xuhuizhu@scut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Chenb ; c ; phycw@nus.edu.sg" class="auth_mail" title="E-mail the corresponding author ; Junbiao Penga ; psjbpeng@scut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yong Caoa
- 关键词：Diphenylphosphine oxide ; Electron-transport material ; Organic light-emitting diodes ; Phosphinyl ; Device stability
- 刊名：Organic Electronics
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：28
- 期：Complete
- 页码：269-274
- 全文大小：1014 K
文摘
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A bis(diphenylphosphine oxide) compound (class="boldFont">BiNa-BiDPO) was facilely obtained and purified.
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class="boldFont">BiNa-BiDPO shows a distinct Tg of 112 °C. EHOMO ≈ −6.12 eV, EHOMO ≈ −2.77 eV.
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class="boldFont">BiNa-BiDPO possesses a higher μe, relative to TPBi, thus providing better OLED efficiency.
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The OLEDs based on class="boldFont">BiNa-BiDPO as the ETL exhibited enhanced stability, in contrast with TPBi.