Scintillation properties of (C6H5C2H4NH3)2Pb1-xSnxBr4 crystals having two-dimensional quantum-well structures

被引：14
作者：
Onoda, Daichi [1 ]
Akatsuka, Masaki [1 ]
Kawano, Naoki [2 ]
Nakauchi, Daisuke [1 ]
Kato, Takumi [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama Cho, Nara 6300192, Japan
[2] Akita Univ, Grad Sch Engn Sci, 1-1 Tegatagakuen Machi, Akita 0108502, Japan
来源：
OPTICAL MATERIALS | 2021年 / 114卷
关键词：
Scintillation; Photoluminescence; Organic-inorganic perovskite material; Quantum confinement; Sn; INORGANIC SCINTILLATORS; TEMPERATURE-DEPENDENCE; LUMINESCENCE; EMISSION; DETECTOR; ENERGY; PBI2;
D O I：
10.1016/j.optmat.2021.111002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We fabricated (C6H5C2H4NH3)(2)Pb1-xSnxBr4 & nbsp;single crystals by the poor-solvent diffusion method and evaluated the & nbsp;photoluminescence & nbsp;(PL) and scintillation properties. In PL emission maps, exciton-emission peaks were observed at 410 and 440 & nbsp;nm. The PL quantum yields of & nbsp;x & nbsp;=& nbsp;0.1, 0.25, and 0.5 samples were 23.3, 24.1, and 19.2% within typical errors (+/- 2%), respectively. In scintillation spectra under X-ray irradiation, the exciton-emission peak was observed at 440 & nbsp;nm. The scintillation light yields of & nbsp;x & nbsp;=& nbsp;0.1, 0.25, and 0.5 samples under 59.5 & nbsp;keV gamma-ray irradiation by & nbsp;Am-241 were estimated to be 14,000, 16,000, and 11,000 & nbsp;ph/MeV within +/- 10% errors, respectively.
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页数：6
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