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Highly efficient organic light-emitting diodes from delayed fluorescence

Author

Listed:
  • Hiroki Uoyama

    (Center for Organic Photonics and Electronics Research, Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan)

  • Kenichi Goushi

    (Center for Organic Photonics and Electronics Research, Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan
    International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan)

  • Katsuyuki Shizu

    (Center for Organic Photonics and Electronics Research, Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan)

  • Hiroko Nomura

    (Center for Organic Photonics and Electronics Research, Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan)

  • Chihaya Adachi

    (Center for Organic Photonics and Electronics Research, Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan
    International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan)

Abstract

A class of metal-free organic electroluminescent molecules is designed in which both singlet and triplet excitons contribute to light emission, leading to an intrinsic fluorescence efficiency greater than 90 per cent and an external electroluminescence efficiency comparable to that achieved in high-efficiency phosphorescence-based organic light-emitting diodes.

Suggested Citation

  • Hiroki Uoyama & Kenichi Goushi & Katsuyuki Shizu & Hiroko Nomura & Chihaya Adachi, 2012. "Highly efficient organic light-emitting diodes from delayed fluorescence," Nature, Nature, vol. 492(7428), pages 234-238, December.
    • Handle: RePEc:nat:nature:v:492:y:2012:i:7428:d:10.1038_nature11687
    DOI: 10.1038/nature11687
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    Cited by:

    1. Ying-Chun Cheng & Xun Tang & Kai Wang & Xin Xiong & Xiao-Chun Fan & Shulin Luo & Rajat Walia & Yue Xie & Tao Zhang & Dandan Zhang & Jia Yu & Xian-Kai Chen & Chihaya Adachi & Xiao-Hong Zhang, 2024. "Efficient, narrow-band, and stable electroluminescence from organoboron-nitrogen-carbonyl emitter," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Pode, Ramchandra, 2020. "Organic light emitting diode devices: An energy efficient solid state lighting for applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 133(C).
    3. Dimitris A. Chalkias & Christos Charalampopoulos & Stefania Aivali & Aikaterini K. Andreopoulou & Aggeliki Karavioti & Elias Stathatos, 2021. "A Di-Carbazole-Based Dye as a Potential Sensitizer for Greenhouse-Integrated Dye-Sensitized Solar Cells," Energies, MDPI, vol. 14(4), pages 1-15, February.

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