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Mn2+ induced significant improvement and robust stability of radioluminescence in Cs3Cu2I5 for high-performance nuclear battery

Author

Listed:
  • Xiaoming Li

    (Nanjing University of Science and Technology)

  • Jiaxin Chen

    (Nanjing University of Science and Technology)

  • Dandan Yang

    (Nanjing University of Science and Technology)

  • Xi Chen

    (Nanjing University of Science and Technology)

  • Dongling Geng

    (Nanjing University of Science and Technology)

  • Lianfu Jiang

    (Nanjing University of Science and Technology)

  • Ye Wu

    (Nanjing University of Science and Technology)

  • Cuifang Meng

    (Nanjing University of Science and Technology)

  • Haibo Zeng

    (Nanjing University of Science and Technology)

Abstract

Fluorescent type nuclear battery consisting of scintillator and photovoltaic device enables semipermanent power source for devices working under harsh circumstances without instant energy supply. In spite of the progress of device structure design, the development of scintillators is far behind. Here, a Cs3Cu2I5: Mn scintillator showing a high light yield of ~67000 ph MeV−1 at 564 nm is presented. Doping and intrinsic features endow Cs3Cu2I5: Mn with robust thermal stability and irradiation hardness that 71% or >95% of the initial radioluminescence intensity can be maintained in an ultra-broad temperature range of 77 K-433 K or after a total irradiation dose of 2590 Gy, respectively. These superiorities allow the fabrication of efficient and stable nuclear batteries, which show an output improvement of 237% respect to the photovoltaic device without scintillator. Luminescence mechanisms including self-trapped exciton, energy transfer, and impact excitation are proposed for the anomalous dramatic radioluminescence improvement. This work will open a window for the fields of nuclear battery and radiography.

Suggested Citation

  • Xiaoming Li & Jiaxin Chen & Dandan Yang & Xi Chen & Dongling Geng & Lianfu Jiang & Ye Wu & Cuifang Meng & Haibo Zeng, 2021. "Mn2+ induced significant improvement and robust stability of radioluminescence in Cs3Cu2I5 for high-performance nuclear battery," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24185-7
    DOI: 10.1038/s41467-021-24185-7
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    Cited by:

    1. Enhai Song & Meihua Chen & Zitao Chen & Yayun Zhou & Weijie Zhou & Hong-Tao Sun & Xianfeng Yang & Jiulin Gan & Shi Ye & Qinyuan Zhang, 2022. "Mn2+-activated dual-wavelength emitting materials toward wearable optical fibre temperature sensor," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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