期刊
NATURE COMMUNICATIONS
卷 11, 期 1, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-020-17114-7
关键词
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资金
- Natural Science Foundation of Jiangsu Province [BK20190443, BK20160815]
- Young Elite Scientists Sponsorship Program by Jiangsu CAST [JS19TJGC132574]
- 2019 Overseas Students' Science and Technology Innovation Project Selection Funding of Nanjing
- Fundamental Research Funds for the Central Universities [30919011298, 30919011299, 30919012107]
- National Key R&D Program of China [2017YFA0305500]
- National Natural Science Foundation of China [61725402, 11604152, 51672132]
- National ten thousand talents plan leading talents [W03020394]
- Six top talent innovation teams of Jiangsu Province [TD-XCL-004]
Ensuring nuclear safety has become of great significance as nuclear power is playing an increasingly important role in supplying worldwide electricity. beta-ray monitoring is a crucial method, but commercial organic scintillators for beta-ray detection suffer from high temperature failure and irradiation damage. Here, we report a type of beta-ray scintillator with good thermotolerance and irradiation hardness based on a two-dimensional halide perovskite. Comprehensive composition engineering and doping are carried out with the rationale elaborated. Consequently, effective beta-ray scintillation is obtained, the scintillator shows satisfactory thermal quenching and high decomposition temperature, no functionality decay or hysteresis is observed after an accumulated radiation dose of 10 kGy (dose rate 0.67 kGy h(-1)). Besides, the two-dimensional halide perovskite beta-ray scintillator also overcomes the notorious intrinsic water instability, and benefits from low-cost aqueous synthesis along with superior waterproofness, thus paving the way towards practical application.
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