Red phosphors in MgAl2Si2O8 doping with Mn4+, Gd3+ and Lu3+ and host-sensitized luminescence properties

被引：18

作者：

Kalaycioglu, Nilgun Ozpozan ^{[1
]}

Circir, Esra ^{[2
]}

机构：

[1] Erciyes Univ, Dept Chem, Fac Sci, TR-38039 Kayseri, Turkey

[2] Karamanoglu Mehmetbey Univ, Fac Engn, Dept Mat Sci & Engn, TR-70200 Karaman, Turkey

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2013年 / 111卷 / 01期

关键词：

Luminescence; Mn4+; Gd3+; Lu3+; MgAl2Si2O8; phosphors; Aluminosilicates; FLUORESCENCE; EU2+; SR; PHASES; IONS;

D O I：

10.1007/s10973-012-2248-z

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Mn4+ doped and Gd3+, Lu3+ co-doped MgAl2Si2O8-based phosphors were first of all synthesized by solid state reaction at about 1300.0 A degrees C. They were characterized by thermogravimetry, differential thermal analysis, X-ray powder diffraction, photoluminescence, and scanning electron microscopy. The luminescence mechanism of the phosphors which showed broad red emission bands in the range of 610-715 nm and had a different maximum intensity when activated by UV illumination was discussed. Such a red emission can be attributed to the intrinsic E-2 -> (4)A(2) transitions of Mn4+.

引用

页码：273 / 277

页数：5

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