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Long-range order enhance performance of patterned blue quantum dot light-emitting diodes

Author

Listed:
  • Yuyu Jia

    (Beijing Institute of Technology
    Chinese Academy of Sciences)

  • Hui Li

    (University of Science and Technology of China)

  • Ning Guo

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences (UCAS))

  • Fengmian Li

    (Chinese Academy of Sciences
    Beihang University)

  • Tianchen Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences (UCAS))

  • Haoran Ma

    (Beijing Institute of Technology)

  • Yuyan Zhao

    (University of Science and Technology of China)

  • Hanfei Gao

    (University of Science and Technology of China)

  • Dan Wang

    (Beijing Institute of Technology)

  • Jiangang Feng

    (University of Science and Technology of China)

  • Zhiyuan He

    (Beijing Institute of Technology)

  • Lei Jiang

    (Chinese Academy of Sciences
    University of Science and Technology of China)

  • Yuchen Wu

    (Chinese Academy of Sciences
    University of Science and Technology of China
    University of Chinese Academy of Sciences (UCAS))

Abstract

Quantum dot light-emitting diodes show great potential for next-generation displays. Although film quantum dot light-emitting diodes have achieved or approached efficiency and stability standards for commercial applications, patterned quantum dot light-emitting diodes, particularly blue quantum dot light-emitting diodes, still face challenges in both efficiency and stability. Traditional patterning methods often lead to defects and disorder, causing non-radiative recombination and reduced performance. Here, we develop an aromatic-enhanced capillary bridge confinement strategy to achieve long-range ordered blue quantum dot microstructure arrays. These quantum dot arrays integrate into quantum dot light-emitting diodes achieve a peak external quantum efficiency of 24.1% and a peak luminance of 101,519 cd m−2. Additionally, the minimum pixel size is reduced to 3 μm, enabling a maximum resolution exceeding 5000 pixels per inch, and static electroluminescence display modes. This study provides a strategy to advance the commercialization of quantum dot light-emitting diodes.

Suggested Citation

  • Yuyu Jia & Hui Li & Ning Guo & Fengmian Li & Tianchen Li & Haoran Ma & Yuyan Zhao & Hanfei Gao & Dan Wang & Jiangang Feng & Zhiyuan He & Lei Jiang & Yuchen Wu, 2025. "Long-range order enhance performance of patterned blue quantum dot light-emitting diodes," Nature Communications, Nature, vol. 16(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-62345-1
    DOI: 10.1038/s41467-025-62345-1
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