Derivative of oxygafluorene and di-tert-butyl carbazole as the host with very high hole mobility for high-efficiency blue phosphorescent organic light-emitting diodes
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- 作者：Dalius Gudeikaa ; Dmytro Volyniuka ; Juozas V. Grazuleviciusa ; Juozas.Grazulevicius@ktu.lt" class="auth_mail" title="E-mail the corresponding author ; Eigirdas Skuodisa ; Sian-Yin Yub ; Wei-Tong Lioub ; Li-Yin Chenb ; ly_chen@mail.nsysu.edu.tw" class="auth_mail" title="E-mail the corresponding author ; Yi-Jiun Shiuc
- 关键词：Oxygafluorene ; Carbazole ; Hole transport ; Host ; Blue electrophosphorescence
- 刊名：Dyes and Pigments
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：130
- 期：Complete
- 页码：298-305
- 全文大小：1286 K
文摘
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Derivative of oxygafluorene and di-tert-butyl carbazole was synthesized.
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The solid sample showed triplet energy of 2.81 eV.
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The hole mobility reached 10−2 cm2V−1s−1 at high electric fields.
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Blue devices showed external quantum efficiency of 16.5%.