Communication

Simple Bipolar Molecules Constructed from Biphenyl Moieties as Host Materials for Deep-Blue Phosphorescent Organic Light-Emitting Diodes

  1. Cong Fan1,
  2. Fangchao Zhao2,
  3. Pei Gan1,
  4. Sifen Yang1,
  5. Tengxiao Liu1,
  6. Cheng Zhong1,
  7. Prof. Dongge Ma2,*,
  8. Prof. Jingui Qin1,
  9. Prof. Chuluo Yang1,*

Article first published online: 20 MAR 2012

DOI: 10.1002/chem.201103703

Issue

Chemistry - A European Journal

Chemistry - A European Journal

Volume 18, Issue 18, pages 5510–5514, April 27, 2012

Additional Information

How to Cite

Fan, C., Zhao, F., Gan, P., Yang, S., Liu, T., Zhong, C., Ma, D., Qin, J. and Yang, C. (2012), Simple Bipolar Molecules Constructed from Biphenyl Moieties as Host Materials for Deep-Blue Phosphorescent Organic Light-Emitting Diodes. Chem. Eur. J., 18: 5510–5514. doi: 10.1002/chem.201103703

Author Information

  1. 1

    Department of Chemistry, Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan, 430072 (P. R. China), Fax: (+86) 27-68756757

  2. 2

    State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022 (P. R. China), Fax: (+86) 431-85262357

*State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022 (P. R. China), Fax: (+86) 431-85262357

Publication History

  1. Issue published online: 18 APR 2012
  2. Article first published online: 20 MAR 2012
  3. Manuscript Received: 24 NOV 2011

Funded by

  • National Science Fund for Distinguished Young Scholars of China. Grant Number: 51125013
  • National Basic Research Program of China. Grant Numbers: 2009CB623602, 2009CB930603
  • National Natural Science Foundation of China. Grant Number: 90922020
  • Fundamental Research Funds for the Central Universities of China
  • Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry

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Keywords:

  • biphenyls;
  • carbazoles;
  • iridium;
  • organic light-emitting diodes;
  • phosphine oxides
Thumbnail image of graphical abstract

Simple is good! Based on biphenyl molecules, two bipolar host materials with high triplet energies have been rationally designed, synthesized, and fully characterized. Deep blue phosphorescent organic light-emitting diodes, which employ the new hosts and an iridium(III) complex as triplet emitter, show a maximum current efficiency of 40 cd A−1, a maximum power efficiency of 36 lm W−1, and a maximum external quantum efficiency of 19.5 %.

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