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Two-dimensional halide perovskite as β-ray scintillator for nuclear radiation monitoring

Author

Listed:
  • Dejian Yu

    (Nanjing University of Science and Technology)

  • Peng Wang

    (Nanjing University of Science and Technology)

  • Fei Cao

    (Nanjing University of Science and Technology)

  • Yu Gu

    (Nanjing University of Science and Technology)

  • Jiaxin Liu

    (Nanjing University of Science and Technology)

  • Zeyao Han

    (Nanjing University of Science and Technology)

  • Bo Huang

    (Nanjing University of Science and Technology)

  • Yousheng Zou

    (Nanjing University of Science and Technology)

  • Xiaobao Xu

    (Nanjing University of Science and Technology)

  • Haibo Zeng

    (Nanjing University of Science and Technology)

Abstract

Ensuring nuclear safety has become of great significance as nuclear power is playing an increasingly important role in supplying worldwide electricity. β-ray monitoring is a crucial method, but commercial organic scintillators for β-ray detection suffer from high temperature failure and irradiation damage. Here, we report a type of β-ray scintillator with good thermotolerance and irradiation hardness based on a two-dimensional halide perovskite. Comprehensive composition engineering and doping are carried out with the rationale elaborated. Consequently, effective β-ray scintillation is obtained, the scintillator shows satisfactory thermal quenching and high decomposition temperature, no functionality decay or hysteresis is observed after an accumulated radiation dose of 10 kGy (dose rate 0.67 kGy h−1). Besides, the two-dimensional halide perovskite β-ray scintillator also overcomes the notorious intrinsic water instability, and benefits from low-cost aqueous synthesis along with superior waterproofness, thus paving the way towards practical application.

Suggested Citation

  • Dejian Yu & Peng Wang & Fei Cao & Yu Gu & Jiaxin Liu & Zeyao Han & Bo Huang & Yousheng Zou & Xiaobao Xu & Haibo Zeng, 2020. "Two-dimensional halide perovskite as β-ray scintillator for nuclear radiation monitoring," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17114-7
    DOI: 10.1038/s41467-020-17114-7
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