Synthesis, photoluminescence, thermoluminescence and dosimetry properties of novel phosphor KSr4(BO3)3:Ce

被引：43

作者：

Jiang, L. H. ^{[1
,4
]}

Zhang, Y. L. ^{[2
]}

Li, C. Y. ^{[1
]}

Hao, J. Q. ^{[1
]}

Su, Q. ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Applicat Rare Earth Resources, Changchun 130022, Peoples R China

[2] Natl Inst Metrol, Ionizing Radiat Div, Beijing 130000, Peoples R China

[3] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China

[4] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 482卷 / 1-2期

关键词：

Rare earth alloys and compounds; Luminescence; Phosphors; EMISSION; CRYSTALS; SPECTRA; COLOR; RE; TL;

D O I：

10.1016/j.jallcom.2009.04.009

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：

Polycrystalline powder sample of KSr4(BO3)(3) was synthesized by high-temperature solid-state reaction. The influence of different rare earth dopants, i.e. Tb3+, TM3+ and Ce3+, on thermoluminescence (TL) of KSr4(BO3)(3) Phosphor was discussed. The TL, photoluminescence (PL) and some dosimetric properties of Ce3+-activated KSr4(BO3)(3) phosphor were studied. The effect of the concentration of Ce3+ on TL intensity was investigated and the result showed that the optimum Ce3+ concentration was 0.2 mol%. The TL kinetic parameters of KSr4(BO3)(3):0.002 Ce3+ phosphor were calculated by computer glow curve deconvolution (CGCD) method. Characteristic emission peaking at about 407 and 383 nm due to the 4f(0)5d(1) -> F-2((5/2),(7/2)) transitions of Ce3+ ion were observed both in PL and three-dimensional (3D) TL spectra. The dose-response of KSr4(BO3)(3):0.002 Ce3+ to gamma-ray was linear in the range from 1 to 1000 mGy. In addition, the decay of the TL intensity of KSr4(BO3)(3):0.002 Ce3+ was also investigated. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：313 / 316

页数：4

共 27 条

[1] A NEW PHOSPHOR FOR FLYING-SPOT CATHODE-RAY TUBES FOR COLOR TELEVISION - YELLOW-EMITTING Y3AL5O12-CE3+ [J].