Preparation and scintillation properties of Ce3+/Tb3+-co-doped oxyfluoride glass for high-resolution X-ray imaging

被引：13
|
作者：
Sun, Zhicheng [1 ,2 ]
Huang, Xixi [1 ,2 ]
Yang, Jinhai [1 ,2 ]
Wang, Shuaihua [2 ,3 ]
Wu, Shaofan [2 ,3 ]
机构：
[1] Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Peoples R China
[3] Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350108, Fujian, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2023年 / 49卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Ce3+/Tb3+-co-doped; Energy transfer mechanism; Spatial resolution; X-ray imaging; LUMINESCENT PROPERTIES; CERAMICS; OXIDE; IONS; BEHAVIOR; FILM;
D O I：
10.1016/j.ceramint.2023.01.135
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Scintillator glasses have the potential for X-ray imaging owing to their low production cost, controllable shape and size, and uniform ion-doping concentration. In this study, Tb3+-doped and Ce3+/Tb3+-co-doped oxyfluoride scintillator (C4T9) glass samples were fabricated by high-temperature melting and quenching. In addition, the luminescence properties of the glass samples and the discrepancy in the energy transfer mechanism between Ce3+ and Tb3+ under ultraviolet (UV) light and X-ray excitation were investigated. The C4T9 glass sample showed excellent integral scintillation efficiency of 84.1% for commercial Bi4Ge3O12 (BGO) crystals. The spatial resolution of the C4T9 glass sample was higher than that of the commercial BGO crystal with 42.29 mGy s(-1) Xray irradiation, reaching 16 lp.mm(-1). C4T9 glass is expected to become a key material in medical imaging, safety inspection, industrial inspection, and other fields.
引用
收藏
页码：15500 / 15506
页数：7
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