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High energy resolution CsPbBr3 alpha particle detector with a full-customized readout application specific integrated circuit

Author

Listed:
  • Xin Zhang

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Ruichen Bai

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Yuhao Fu

    (Northwestern Polytechnical University)

  • Yingying Hao

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Xinkai Peng

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Jia Wang

    (Ministry of Industry and Information Technology
    Northwestern Polytechnical University)

  • Bangzhi Ge

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Jianxi Liu

    (Northwestern Polytechnical University)

  • Yongcai Hu

    (Ministry of Industry and Information Technology
    Northwestern Polytechnical University)

  • Xiaoping Ouyang

    (Northwest Institute of Nuclear Technology)

  • Wanqi Jie

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

  • Yadong Xu

    (Northwestern Polytechnical University
    Ministry of Industry and Information Technology)

Abstract

α particles must be monitored to be managed as radioactive diagnostic agents or nuclear activity indicators. The new generation of perovskite detectors suffer from limited energy resolution, which affects spectroscopy and imaging applications. Here, we report that the solution-grown CsPbBr3 crystal exhibits a low and stable dark current (34.6 nA·cm−2 at 200 V) by thinning the as-grown crystal to decrease the high concentration CsPb2Br5 phase near the surface. The introduction of the Schottky electrode for the CsPbBr3 detector further reduces the dark current and improves the high-temperature stability. An energy resolution of 6.9% is achieved with the commercial electronic system, while the effects of air scattering and absorption are investigated. Moreover, 1.1% energy resolution is recognized by a full-customized readout application-specific integrated circuit without any additional signal processing, which matches well with the given parameters of the CsPbBr3 detector by reducing the parasitic capacitance and electronic noise.

Suggested Citation

  • Xin Zhang & Ruichen Bai & Yuhao Fu & Yingying Hao & Xinkai Peng & Jia Wang & Bangzhi Ge & Jianxi Liu & Yongcai Hu & Xiaoping Ouyang & Wanqi Jie & Yadong Xu, 2024. "High energy resolution CsPbBr3 alpha particle detector with a full-customized readout application specific integrated circuit," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-50746-7
    DOI: 10.1038/s41467-024-50746-7
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    References listed on IDEAS

    as
    1. Yihui He & Liviu Matei & Hee Joon Jung & Kyle M. McCall & Michelle Chen & Constantinos C. Stoumpos & Zhifu Liu & John A. Peters & Duck Young Chung & Bruce W. Wessels & Michael R. Wasielewski & Vinayak, 2018. "High spectral resolution of gamma-rays at room temperature by perovskite CsPbBr3 single crystals," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    2. Shaohang Wu & Rui Chen & Shasha Zhang & B. Hari Babu & Youfeng Yue & Hongmei Zhu & Zhichun Yang & Chuanliang Chen & Weitao Chen & Yuqian Huang & Shaoying Fang & Tianlun Liu & Liyuan Han & Wei Chen, 2019. "A chemically inert bismuth interlayer enhances long-term stability of inverted perovskite solar cells," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
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