Journal of Semiconductors, Volume. 46, Issue 3, 030402(2025)

A flexible active-matrix X-ray detector based on two-dimensional material backplane

Haixing Meng, Ying Li*, and Guozhen Shen*
Author Affiliations
  • School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China
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    Figures & Tables(1)
    (Color online) (a) Schematic diagram of flexible active-matrix X-ray detector based on 2D materials. (b) The I−V characteristics of the graphene/MoS2 photodetector under optical powers of 8.5 and 24.0 μW/cm2 (similar to the emission power of scintillators). (c) Schematic diagram of the scintillator and backplane integration device. (d) The functional relationship between X-ray tube voltage and output current based on graphene/MoS2 photodetector. (e) X-ray radiation stability of flexible X-ray detectors (72 mGy). (f) Uniformity of photocurrent and dark current based on flexible X-ray detectors. (g) Planar X-ray imaging and curved X-ray imaging based on flexible active-matrix X-ray detector toward the cylinder having a '+'-shaped hole[16].
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    Haixing Meng, Ying Li, Guozhen Shen. A flexible active-matrix X-ray detector based on two-dimensional material backplane[J]. Journal of Semiconductors, 2025, 46(3): 030402

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    Paper Information

    Category: Research Articles

    Received: Feb. 8, 2025

    Accepted: --

    Published Online: Apr. 27, 2025

    The Author Email: Ying Li (YLi), Guozhen Shen (GZShen)

    DOI:10.1088/1674-4926/25020801

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