Nature Communications (Dec 2017)

Long-lived efficient delayed fluorescence organic light-emitting diodes using n-type hosts

  • Lin-Song Cui,
  • Shi-Bin Ruan,
  • Fatima Bencheikh,
  • Ryo Nagata,
  • Lei Zhang,
  • Ko Inada,
  • Hajime Nakanotani,
  • Liang-Sheng Liao,
  • Chihaya Adachi

DOI
https://doi.org/10.1038/s41467-017-02419-x
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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OLEDs based on thermally activated delayed fluorescence have shown high fluorescence efficiency but poor lifetime. Herein, Cui et al. demonstrate that the use of n-type host molecules can increase the device lifetime by 30 times and 1000 times for green and blue OLEDs, respectively.