期刊
NANOTECHNOLOGY
卷 32, 期 20, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6528/abe48a
关键词
liquid scintillator; perovskite quantum dots; radiation detector; x-ray detector; scintillator; radiation stability; CsPbBr3
资金
- National Natural Science Foundation of China [11705090, 11875166, 11435010]
- Foundation of Graduate Innovation Center in NUAA [kfjj20200601]
The study investigates the scintillation performances of lead halide perovskite QDs solution, which exhibit characteristics such as linear relationship with irradiation dose rate, high radiation hardness, and fast counting speed. This provides promising potential applications for indirect radiation applications including fast gamma-ray counter and wide range dosimeter.
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 CH3NH3PbBr3 and CsPbBr3 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.
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