Cathodoluminescent properties of the green phosphor Sr3Gd(BO3)3:Tb3+

被引：7

作者：

Zhao, Wenyu ^{[1
,2
]}

An, Shengli ^{[1
,2
]}

Fan, Bin ^{[2
]}

Li, Songbo ^{[1
,2
]}

Dai, Yatang ^{[3
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China

[2] Innermongolia Univ Sci & Technol, Sch Chem & Chem Engn, Baotou 014010, Peoples R China

[3] SW Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621000, Peoples R China

来源：

OPTICAL MATERIALS | 2012年 / 34卷 / 07期

关键词：

Phosphors; Sr3Gd(BO3)(3); Tb3+; Optical materials and properties; EMISSION; PHOTOLUMINESCENCE;

D O I：

10.1016/j.optmat.2012.01.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tb3+-doped Sr3Gd(BO3)(3) phosphor was prepared by solid-state reaction and characterized by X-ray diffraction (XRD) and cathodoluminescence (Cl.) spectrum. XRD reveals that the Tb3+ ions have been doped into the Sr3Gd(BO3)(3) host lattice. The optimum doping concentration of Tb3+ is 5 mol%. Under the excitation of low voltage electron beams (1.0-7.0 kV), the Sr3Gd0.95(BO3)(3):0.05Tb(3+) phosphor shows the characteristic emissions of Tb3+ (D-5(3,4) F-7(J),J = 3-6 transitions) with the strongest emission around 545 nm. The emission intensity of optimal composition Sr3Gd0.95(BO3)(3):0.05Tb(3+) is comparable with that of commercial Zn2SiO4:Mn2+ phosphor with chromaticity coordinates of (0.2415, 0.4663). The optical properties study suggests that it could be potential candidate as a green-emitting phosphor for field emission displays (FEDs) application. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1124 / 1127

页数：4

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