Ytterbium-Doped Cesium Lead Chloride Perovskite as an X-ray Scintillator with High Light Yield
ACS OMEGA(2022)
Abstract
Ytterbium-doped cesium lead halides arc quantum cutting materials with exceptionally high photoluminescence quantum yields, making them promising materials as scintillators. In this work, we report ytterbium-doped cesium lead chloride (Yb3+:CsPbCl3) with an X-ray scintillation light yield of 102,000 photons/MeV at room temperature, which is brighter than the current state-of-the-art commercial scintillators. The high light yield was achieved based on a novel method of synthesizing Yb3+:CsPbCl3 powders using water and low-temperature processing. The combination of high light yield and the simple and inexpensive manufacturing method reported in this work demonstrates the great potential of Yb3+:CsPbCl3 for scintillation applications.
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Key words
scintillator,cesium,high light yield,ytterbium-doped,x-ray
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