Synthesis, photoluminescence, thermoluminescence and dosimetry properties of novel phosphor Zn(BO2)2:Tb

被引：46
作者：
Li, J. [1 ]
Zhang, C. X.
Tang, Q.
Zhang, Y. L.
Hao, J. Q.
Su, Q.
Wang, S. B.
机构：
[1] Beihua Univ, Coll Sci, Jilin 132013, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
[3] Sun Yat Sen Univ, Dept Phys, Guangzhou 510275, Peoples R China
[4] Natl Inst Metrol, Ionizing Radiat Div, Beijing 130000, Peoples R China
[5] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2007年 / 68卷 / 02期
关键词：
D O I：
10.1016/j.jpcs.2006.09.021
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polycrystalline powder samples of terbium doped Zn(BO2)(2) phosphors were prepared by solid state reaction in the thermal carbon reducing atmosphere at high temperature. The photoluminescence (PL), three-dimensional (3D) TL emission spectrum and dosimetric characteristics following Co-60 gamma-rays irradiation were studied. Characteristic emission bands of Tb3+ at about 490, 543, 584 and 620 nm, attributed to the D-5(4) -> F-7(J), (J = 3, 4, 5, 6) transitions of Tb3+ ions, were observed in the TL and PL emission spectrum. No emission from Tb4+ ions was observed in the TL emission spectrum. The TL-dose response of the powder samples Zn(BO2)(2):Tb to Co-60 gamma-rays radiation in the dose range from 1 to 100 Gy for clinical dose levels was almost linear. The experiment results showed that Zn(BO-I)2:Tb has potential use as the materials of gamma-rays thermoluminescence dosimeter (TLD) for clinical dosimetry.
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页码：143 / 147
页数：5
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