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Management of singlet and triplet excitons for efficient white organic light-emitting devices

Author

Listed:
  • Yiru Sun

    (Princeton University)

  • Noel C. Giebink

    (Princeton University)

  • Hiroshi Kanno

    (Princeton University)

  • Biwu Ma

    (University of Southern California)

  • Mark E. Thompson

    (University of Southern California)

  • Stephen R. Forrest

    (Princeton University
    University of Michigan)

Abstract

The white light of technology With energy conservation high on the political agenda, the search for economical light sources is a hot topic. An advance reported this week could be an important step in the field. It introduces a new architecture for making organic light-emitting devices that produce white light suitable for solid-state lighting. What is new is the use of fluorescent and phosphorescent light-emitting dopants arranged to optimize harvesting of the electric charge and achieve potentially 100% internal quantum efficiency. Technology of this type has the potential to make OLEDs (organic light emitting devices) much more efficient than incandescent lighting. Even at an early stage of development this new source is up to 75% more efficient than today's incandescent sources at similar brightnesses.

Suggested Citation

  • Yiru Sun & Noel C. Giebink & Hiroshi Kanno & Biwu Ma & Mark E. Thompson & Stephen R. Forrest, 2006. "Management of singlet and triplet excitons for efficient white organic light-emitting devices," Nature, Nature, vol. 440(7086), pages 908-912, April.
    • Handle: RePEc:nat:nature:v:440:y:2006:i:7086:d:10.1038_nature04645
    DOI: 10.1038/nature04645
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    Cited by:

    1. Rui Zhou & Laizhi Sui & Xinbao Liu & Kaikai Liu & Dengyang Guo & Wenbo Zhao & Shiyu Song & Chaofan Lv & Shu Chen & Tianci Jiang & Zhe Cheng & Sheng Meng & Chongxin Shan, 2023. "Multiphoton excited singlet/triplet mixed self-trapped exciton emission," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Aliah El Astal-Quirós & Valentina Carrarini & Francesca Zarotti & Atiq Ur Rahman & Agustí Lledós & Cristina G. Yebra & Ernesto de Jesús & Andrea Reale, 2024. "A Doublet State Palladium(I) N-Heterocyclic Carbene Complex as a Dopant and Stabilizer for Improved Photostability in Organic Solar Cells," Energies, MDPI, vol. 17(15), pages 1-19, August.
    3. Hao Liu & Yan Fu & Ben Zhong Tang & Zujin Zhao, 2022. "All-fluorescence white organic light-emitting diodes with record-beating power efficiencies over 130 lm W‒1 and small roll-offs," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Manli Huang & Zhanxiang Chen & Jingsheng Miao & Siyuan He & Wei Yang & Zhongyan Huang & Yang Zou & Shaolong Gong & Yao Tan & Chuluo Yang, 2024. "Harmonization of rapid triplet up-conversion and singlet radiation enables efficient and stable white OLEDs," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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