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Trifluoromethyl-substituted 9,9'-bianthracene derivative as host material for highly efficient blue OLED

  • Feng Gao
  • , Jingkun Ren
  • , Zhanfeng Li
  • , Shuqing Yuan
  • , Zhaoxin Wu
  • , Yanxia Cui
  • , Huayu Jia
  • , Hua Wang
  • , Fang Shi
  • , Yuying Hao
  • Taiyuan University of Technology

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A trifluoromethyl-substituted 9,9'-bianthracene derivative named 10,10'-bis(3-trifluoromethylphenyl)-9,9'-bianthracene (BAn-(3)-CF3) has been designed and synthesized for organic light-emitting device (OLED). The compound is thermally stable with high decomposition temperature (Td = 356 °C) and glass transition temperature (Tg = 266 °C). Non-doped deep blue OLED using BAn-(3)-CF3 as the emitter shows the Commission Internationale de l'éclairage (CIE) coordinates of (0.156, 0.142), which is indicative of excellent blue color purity. Furthermore, BAn-(3)-CF3 serves as an excellent host material doped for 4,4-bis[4-(di-ptolylamino) styryl]biphenyl (DPAVBi) to get high-performance blue OLED with low turn-on voltage of 3.8 V, high luminance of over 12000 cd/m2, high current efficiency of 5.88 cd/A and high external quantum efficiency (EQE) of 3.15%.

Original languageEnglish
Pages (from-to)2468-2477
Number of pages10
JournalOptical Materials Express
Volume5
Issue number11
DOIs
StatePublished - 2015

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