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Dynamic X-ray imaging with screen-printed perovskite CMOS array

Author

Listed:
  • Yanliang Liu

    (Chinese Academy of Sciences)

  • Chaosong Gao

    (Central China Normal University)

  • Dong Li

    (Chinese Academy of Sciences)

  • Xin Zhang

    (Chinese Academy of Sciences)

  • Jiongtao Zhu

    (Chinese Academy of Sciences)

  • Meng Wu

    (Central China Normal University)

  • Wenjun Liu

    (Chinese Academy of Sciences)

  • Tongyu Shi

    (Chinese Academy of Sciences)

  • Xingchen He

    (Chinese Academy of Sciences)

  • Jiahong Wang

    (Chinese Academy of Sciences)

  • Hao Huang

    (Chinese Academy of Sciences)

  • Zonghai Sheng

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Dong Liang

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

  • Xue-Feng Yu

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Hairong Zheng

    (Chinese Academy of Sciences
    Chinese Academy of Sciences
    National Innovation Center for Advanced Medical Devices)

  • Xiangming Sun

    (Central China Normal University)

  • Yongshuai Ge

    (Chinese Academy of Sciences
    Chinese Academy of Sciences
    Chinese Academy of Sciences
    National Innovation Center for Advanced Medical Devices)

Abstract

High performance X-ray detector with ultra-high spatial and temporal resolution are crucial for biomedical imaging. This study reports a dynamic direct-conversion CMOS X-ray detector assembled with screen-printed CsPbBr3, whose mobility-lifetime product is 5.2 × 10−4 cm2 V–1 and X-ray sensitivity is 1.6 × 104 µC Gyair–1 cm–2. Samples larger than 5 cm $$\times$$ × 10 cm can be rapidly imaged by scanning this detector at a speed of 300 frames per second along the vertical and horizontal directions. In comparison to traditional indirect-conversion CMOS X-ray detector, this perovskite CMOS detector offers high spatial resolution (5.0 lp mm−1) X-ray radiographic imaging capability at low radiation dose (260 nGy). Moreover, 3D tomographic images of a biological specimen are also successfully reconstructed. These results highlight the perovskite CMOS detector’s potential in high-resolution, large-area, low-dose dynamic biomedical X-ray and CT imaging, as well as in non-destructive X-ray testing and security scanning.

Suggested Citation

  • Yanliang Liu & Chaosong Gao & Dong Li & Xin Zhang & Jiongtao Zhu & Meng Wu & Wenjun Liu & Tongyu Shi & Xingchen He & Jiahong Wang & Hao Huang & Zonghai Sheng & Dong Liang & Xue-Feng Yu & Hairong Zheng, 2024. "Dynamic X-ray imaging with screen-printed perovskite CMOS array," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45871-2
    DOI: 10.1038/s41467-024-45871-2
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    References listed on IDEAS

    as
    1. Yong Churl Kim & Kwang Hee Kim & Dae-Yong Son & Dong-Nyuk Jeong & Ja-Young Seo & Yeong Suk Choi & In Taek Han & Sang Yoon Lee & Nam-Gyu Park, 2017. "Printable organometallic perovskite enables large-area, low-dose X-ray imaging," Nature, Nature, vol. 550(7674), pages 87-91, October.
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