All-Inorganic Copper Halide as a Stable and Self-Absorption-Free X-ray Scintillator

被引：154

作者：

Zhao, Xue ^{[1
,2
]}

Niu, Guangda ^{[1
,2
]}

Zhu, Jinsong ^{[1
,2
]}

Yang, Bo ^{[1
,2
]}

Yuan, Jun-Hui ^{[1
,2
]}

Li, Shunran ^{[1
,2
]}

Gao, Wanru ^{[1
,2
]}

Hu, Qingsong ^{[1
,2
]}

Yin, Lixiao ^{[1
,2
]}

Xue, Kan-Hao ^{[1
,2
]}

Lifshitz, Efrat ^{[3
,4
]}

Miao, Xiangshui ^{[1
,2
]}

Tang, Jiang ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China

[3] Technion Israel Inst Technol, Schulich Fac Chem, Russell Berrie Nanotechnol Inst, IL-32000 Haifa, Israel

[4] Technion Israel Inst Technol, Solid State Inst, IL-32000 Haifa, Israel

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2020年 / 11卷 / 05期

基金：

中国国家自然科学基金;

关键词：

SINGLE-CRYSTALS; ENERGY-TRANSFER; PERFORMANCE; EFFICIENCY; DETECTORS; EMISSION; GROWTH;

D O I：

10.1021/acs.jpclett.0c00161

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Lead halide perovskites have recently shown great potential as X-ray scintillators; however, the toxicity of the lead element seriously restricts their applications. Herein we report a new lead-free and self-absorption-free scintillator based on Rb2CuCl3 metal halide. The Rb2CuCl3 exhibits a near-unity photoluminescence quantum yield (99.4%) as well as a long photoluminescence lifetime (11.3 mu s). Furthermore, Rb2CuCl3 demonstrates an appreciable light yield of 16 600 photons per megaelectronvolt and a large scintillation response with a linear range from 48.6 nGy(air) s(-1) to 15.7 mu Gy(air) s(-1). Notably, the detection limit is as low as 88.5 nGy(air) s(-1), enabling a reduced radiation dose to the human body when a medical and security check is conducted. In addition, Rb2CuCl3 exhibits good stability against the atmosphere, continuous ultraviolet light, as well as X-ray irradiation. The combination of the decent scintillation performance, low toxicity and good stability suggests the Rb2CuCl3 could be a possible promising X-ray scintillator.

引用

页码：1873 / 1880

页数：15

共 45 条

[21] Structural, mechanical and light yield characterisation of heat treated LYSO:Ce single crystals for medical imaging applications [J].