Lead halide perovskite quantum dots based liquid scintillator for x-ray detection

Lead halide quantum dots (QDs) have unique optical properties such as a tunable wavelength, narrow band, and high quantum efficiency, and have been used in optoelectronics such as light-emitting diode device, and photodetector. Recently, solution-processed perovskite has also attracted great attenti...

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Bibliographic Details
Published in:Nanotechnology 2021-05, Vol.32 (20), p.205201-205201
Main Authors: Xu, Qiang, Huang, Jie, Liu, Jun, Wang, Juan, Zhou, Shuai, Wang, Xiang, Nie, Jing, Guo, Yong, Ouyang, Xiaoping
Format: Article
Language:English
Subjects:
CsPbBr
liquid scintillator
perovskite quantum dots
radiation detector
radiation stability
scintillator
x-ray detector
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Summary:Lead halide quantum dots (QDs) have unique optical properties such as a tunable wavelength, narrow band, and high quantum efficiency, and have been used in optoelectronics such as light-emitting diode device, and photodetector. Recently, solution-processed perovskite has also attracted great attention for high sensitivity x-ray detector. Here, we have investigated the scintillation performances of Pb halide perovskite QDs solution. Both CH NH PbBr and CsPbBr QDs liquid scintillator exhibits the scintillation performances such as the linear relationship with the irradiation dose rate in a wide range, high radiation hardness, thermal stability, and fast counting speed. The scintillation performances of these liquid perovskite QDs solution provide a promising potential application for indirect radiation applications including fast gamma-ray counter and wide range dosimeter.
ISSN:0957-4484
1361-6528
DOI:10.1088/1361-6528/abe48a