New flexible CsPbBr<sub>3</sub>-based scintillator for X-ray tomography

Zhi-Wei Lü; Gong-Xiang Wei; Han-Qiu Wang; Yu Guan; Ning Jiang; Yun-Yan Liu; Zhao Li; Hua Qin; Hui-Qiang Liu

doi:10.1007/s41365-022-01085-z

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New flexible CsPbBr₃-based scintillator for X-ray tomography

ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS | Updated：2022-09-26

- New flexible CsPbBr₃-based scintillator for X-ray tomography
- Nuclear Science and Techniques Vol. 33, Issue 8, Article number: 98(2022)
- Affiliations：
  
  1.School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255000, China
- Author bio：
  
  zfjqinh@163.com
  *liuhq@sdut.edu.cn;
- Funds：
- DOI：10.1007/s41365-022-01085-z
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Zhi-Wei Lü, Gong-Xiang Wei, Han-Qiu Wang, et al. New flexible CsPbBr₃-based scintillator for X-ray tomography. [J]. Nuclear Science and Techniques 33(8):98(2022)
DOI：

Zhi-Wei Lü, Gong-Xiang Wei, Han-Qiu Wang, et al. New flexible CsPbBr₃-based scintillator for X-ray tomography. [J]. Nuclear Science and Techniques 33(8):98(2022) DOI： 10.1007/s41365-022-01085-z.

摘要

Abstract

The evolution of lead halide perovskites used for X-ray imaging scintillators has been facilitated by the development of solution-processable semiconductors characterized by large-area, flexible, fast photoresponse. The stability and durability of these new perovskites are insufficient to achieve extended computed tomography scanning times with hard X-rays. In this study, we fabricated a self-assembled CsPbBr,3,-based scintillator film with a flexible large-area uniform thickness using a new room-temperature solution-processable method. The sensitivity and responsivity of X-ray photon conversion were quantitatively measured and showed a good linear response relationship suitable for X-ray imaging. We also demonstrated, for the first time, that the self-assembled CsPbBr,3,-based scintillator has good stability for hard X-ray microtomography. Therefore, such an inexpensive solution-processed semiconductor easily prepared at room temperature can be used as a hard X-ray scintillator and equipped with flexible CsPbBr,3,-based X-ray detectors. It has great potential in three-dimensional high-resolution phase-contrast X-ray-imaging applications in biomedicine and material science because of its heavy Pb and Br atoms.

关键词

Keywords

X-ray scintillatorX-ray illuminationComputed tomographyCsPbBr3-based film perovskiteSolution-processable semiconductor

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New flexible CsPbBr3-based scintillator for X-ray tomography

DOI：10.1007/s41365-022-01085-z

摘要

Abstract

关键词

Keywords

references

New flexible CsPbBr₃-based scintillator for X-ray tomography