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High mobility emissive organic semiconductor.

  • Author(s): Liu, Jie
  • Zhang, Hantang
  • Dong, Huanli
  • Meng, Lingqiang
  • Jiang, Longfeng
  • Jiang, Lang
  • Wang, Ying
  • Yu, Junsheng
  • Sun, Yanming
  • Hu, Wenping
  • Heeger, Alan J
  • et al.

The integration of high charge carrier mobility and high luminescence in an organic semiconductor is challenging. However, there is need of such materials for organic light-emitting transistors and organic electrically pumped lasers. Here we show a novel organic semiconductor, 2,6-diphenylanthracene (DPA), which exhibits not only high emission with single crystal absolute florescence quantum yield of 41.2% but also high charge carrier mobility with single crystal mobility of 34 cm(2) V(-1) s(-1). Organic light-emitting diodes (OLEDs) based on DPA give pure blue emission with brightness up to 6,627 cd m(-2) and turn-on voltage of 2.8 V. 2,6-Diphenylanthracene OLED arrays are successfully driven by DPA field-effect transistor arrays, demonstrating that DPA is a high mobility emissive organic semiconductor with potential in organic optoelectronics.

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