Two-dimensional halide perovskite as β-ray scintillator for nuclear radiation monitoring

被引：157

作者：

Yu, Dejian ^{[1
]}

Wang, Peng ^{[2
]}

Cao, Fei ^{[1
]}

Gu, Yu ^{[1
]}

Liu, Jiaxin ^{[1
]}

Han, Zeyao ^{[1
]}

Huang, Bo ^{[1
]}

Zou, Yousheng ^{[1
]}

Xu, Xiaobao ^{[1
]}

Zeng, Haibo ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Coll Mat Sci & Engn, Inst Optoelect & Nanomat, MIIT Key Lab Adv Display Mat & Devices, Nanjing 210094, Peoples R China

[2] Nanjing Univ Sci & Technol, Sch Environm & Biol Engn, Nanjing 210094, Peoples R China

来源：

NATURE COMMUNICATIONS | 2020年 / 11卷 / 01期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

BEAM-INDUCED TRANSFORMATIONS; PLASTIC SCINTILLATORS; SOLAR-CELL; EMISSION; DIMENSIONALITY; LUMINESCENT; TOLERANCE; GROWTH; BR; CL;

D O I：

10.1038/s41467-020-17114-7

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：10

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