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15 June 2023 Ytterbium-doped cesium lead chloride perovskite as an x-ray scintillator with high light yield
Ashley M. Conley, Katelyn A. Dagnall, Lucy U. Yoon, Haritha S. Rajeev, Samuel Fieser, Seung-Hun Lee, Joshua J. Choi
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Proceedings Volume PC12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X; PC125140F (2023) https://doi.org/10.1117/12.2663884
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States
Abstract
Herein, we evaluate Yb3+ doped CsPbCl3 as a bright ceramic scintillator material and investigate different doping amounts to elucidate its bright luminescence enabled by quantum cutting. We demonstrate that the host CsPbCl3 perovskite structure is maintained up to 7% mole Yb3+, which produces a light yield of 102,000 photons/MeV. We show that these polycrystalline perovskite scintillators can be pressed into a ceramic pellet and used for x-ray imaging with a resolution of approximately 0.1 mm. The combination of high light yield and the simple, inexpensive synthesis reported in this work demonstrates the great potential of Yb3+:CsPbCl3 for scintillation applications.
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Ashley M. Conley, Katelyn A. Dagnall, Lucy U. Yoon, Haritha S. Rajeev, Samuel Fieser, Seung-Hun Lee, and Joshua J. Choi "Ytterbium-doped cesium lead chloride perovskite as an x-ray scintillator with high light yield", Proc. SPIE PC12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X, PC125140F (15 June 2023); https://doi.org/10.1117/12.2663884
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KEYWORDS
Scintillators
Perovskite
Lead
Cesium
X-rays
Ceramics
Manufacturing
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