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Household alternating current electricity plug-and-play quantum-dot light-emitting diodes

Author

Listed:
  • Jiming Wang

    (Southern University of Science and Technology
    Harbin Institute of Technology)

  • Cuixia Yuan

    (Southern University of Science and Technology)

  • Shuming Chen

    (Southern University of Science and Technology)

Abstract

As an intrinsically direct current device, quantum-dot LED cannot be directly driven by household alternating current electricity. Thus, a driver circuit is required, which increases the complexity and cost. Here, by using a transparent and conductive indium-zinc-oxide as an intermediate electrode, we develop a tandem quantum-dot LED that can be operated at both negative and positive alternating current cycles with an external quantum efficiency of 20.09% and 21.15%, respectively. Furthermore, by connecting multiple tandem devices in series, the panel can be directly driven by household alternating current electricity without the need for complicated back-end circuits. Under 220 V/50 Hz driving, the red plug-and-play panel demonstrates a power efficiency of 15.70 lm W−1 and a tunable brightness of up to 25,834 cd m−2. The developed plug-and-play quantum-dot LED panel could enable the production of cost-effective, compact, efficient, and stable solid-state light sources that can be directly powered by household alternating current electricity.

Suggested Citation

  • Jiming Wang & Cuixia Yuan & Shuming Chen, 2024. "Household alternating current electricity plug-and-play quantum-dot light-emitting diodes," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47891-4
    DOI: 10.1038/s41467-024-47891-4
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    References listed on IDEAS

    as
    1. Junpeng Ji & Igor F. Perepichka & Junwu Bai & Dan Hu & Xiuru Xu & Ming Liu & Tao Wang & Changbin Zhao & Hong Meng & Wei Huang, 2021. "Three-phase electric power driven electroluminescent devices," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    2. Song Chen & Weiran Cao & Taili Liu & Sai-Wing Tsang & Yixing Yang & Xiaolin Yan & Lei Qian, 2019. "On the degradation mechanisms of quantum-dot light-emitting diodes," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    3. Eui Hyuk Kim & Sung Hwan Cho & Ju Han Lee & Beomjin Jeong & Richard Hahnkee Kim & Seunggun Yu & Tae-Woo Lee & Wooyoung Shim & Cheolmin Park, 2017. "Organic light emitting board for dynamic interactive display," Nature Communications, Nature, vol. 8(1), pages 1-8, April.
    4. Stefano Tonzani, 2009. "Lighting technology: Time to change the bulb," Nature, Nature, vol. 459(7245), pages 312-314, May.
    5. Heng Zhang & Qiang Su & Shuming Chen, 2020. "Quantum-dot and organic hybrid tandem light-emitting diodes with multi-functionality of full-color-tunability and white-light-emission," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    Full references (including those not matched with items on IDEAS)

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