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Ytterbium-Doped Cesium Lead Chloride Perovskite as an X-ray Scintillator with High Light Yield
Author(s) -
Katelyn A. Dagnall,
Ashley M. Conley,
Lucy U. Yoon,
Haritha S. Rajeev,
Seunghun Lee,
Joshua J. Choi
Publication year - 2022
Publication title -
acs omega
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 40
ISSN - 2470-1343
DOI - 10.1021/acsomega.2c01712
Subject(s) - scintillator , ytterbium , scintillation , quantum yield , yield (engineering) , materials science , halide , doping , caesium , photoluminescence , perovskite (structure) , lead chloride , chloride , optoelectronics , radiochemistry , optics , inorganic chemistry , chemistry , physics , metallurgy , fluorescence , crystallography , detector
Ytterbium-doped cesium lead halides are 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 (Yb 3+ :CsPbCl 3 ) 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 Yb 3+ :CsPbCl 3 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 Yb 3+ :CsPbCl 3 for scintillation applications.

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