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Updated: Jul 5, 2026
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Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
Published on: August 25, 2016
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High-stability double perovskite scintillator for flexible X-ray imaging
Jingyu Li1, Qingsong Hu2, Jiawen Xiao1
1Beijing Key Lab of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China.
Journal of Colloid and Interface Science
|June 1, 2024
Summary
This study introduces a stable 2D layered double perovskite, Cs4Cd1-xMnxBi2Cl12, for X-ray imaging. The material shows excellent stability, high light yield, and superior performance in flexible X-ray imaging applications.
Area of Science:
- Materials Science
- Solid-State Physics
- Medical Imaging
Background:
- Metal halide perovskites show promise for X-ray imaging but suffer from instability.
- Sensitivity to moisture and irradiation limits their practical application.
Purpose of the Study:
- To develop a stable 2D layered double perovskite scintillator for enhanced X-ray imaging.
- To evaluate the stability and performance of Cs4Cd1-xMnxBi2Cl12 under ambient and irradiation conditions.
Main Methods:
- Synthesis and characterization of the 2D layered double perovskite Cs4Cd1-xMnxBi2Cl12.
- Assessment of scintillation performance, including light yield and X-ray response linearity.
- Evaluation of material stability under prolonged ambient storage and X-ray irradiation.
- Fabrication of flexible scintillating screens using PDMS.
Main Results:
- Cs4Cd1-xMnxBi2Cl12 exhibits high stability, retaining 92% emission after two years and 94% after 11.4 Gy irradiation.
- Achieved a high light yield of ~34,450 photons/MeV and excellent X-ray response linearity.
- Demonstrated a flexible scintillating screen with a spatial resolution of 16.7 lp/mm for advanced X-ray imaging.
Conclusions:
- The developed Cs4Cd1-xMnxBi2Cl12 perovskite is a highly stable and efficient scintillator for X-ray imaging.
- Its flexibility and performance open new possibilities for advanced and flexible X-ray imaging applications.
