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Intense upconverted ultraviolet emission of Er3+ through confined energy transfer in Yb3+/Er3+ co-doped Rb3InCl6

Author

Listed:
  • Wen Zhang

    (Chinese Academy of Sciences
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    University of Chinese Academy of Sciences)

  • Wei Zheng

    (Chinese Academy of Sciences
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    University of Chinese Academy of Sciences)

  • Ping Huang

    (Chinese Academy of Sciences
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    University of Chinese Academy of Sciences)

  • Dengfeng Yang

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

  • Zhiqing Shao

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

  • Wei Zhang

    (Chinese Academy of Sciences)

  • Hao Zhang

    (Chinese Academy of Sciences)

  • Zhi Xie

    (Fujian Agriculture and Forestry University)

  • Jin Xu

    (Chinese Academy of Sciences
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    University of Chinese Academy of Sciences)

  • Xueyuan Chen

    (Chinese Academy of Sciences
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    University of Chinese Academy of Sciences)

Abstract

Yb3+/Er3+ activated upconversion (UC) materials have been widely applied in many advanced technologies owing to their high UC efficiency in the visible region. However, it is challenging to achieve efficient ultraviolet (UV) UC luminescence (UCL) in Yb3+/Er3+ system, due to the dense energy levels of Er3+ that impose deleterious nonradiative relaxation. Herein, we report a strategy to liberate the UV-UCL of Er3+ based on the confined energy transfer in Yb3+/Er3+ co-doped 0D Rb3InCl6 with a low phonon energy and a large interionic distance. This facilitates the population of Er3+ at the 4G11/2 state, which yields intense upconverted UV emission at 384 nm, with a much higher UV-to-green ratio (I384/I554 = 0.864) than that of traditional UC materials (

Suggested Citation

  • Wen Zhang & Wei Zheng & Ping Huang & Dengfeng Yang & Zhiqing Shao & Wei Zhang & Hao Zhang & Zhi Xie & Jin Xu & Xueyuan Chen, 2025. "Intense upconverted ultraviolet emission of Er3+ through confined energy transfer in Yb3+/Er3+ co-doped Rb3InCl6," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-58901-4
    DOI: 10.1038/s41467-025-58901-4
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