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铈铕掺杂氯硅酸镁钙体系的相对光谱功率分布与色坐标定位
Relative Spectral Power Distribution and Emission Color Coordinates of Ce3+ and Eu2+ Doped Calcium Magnesium Chlorosilicate System
- 发光学报 2011年32卷第1期 页码：16-20
- 作者机构：
大连工业大学 无机非金属材料研究所,辽宁 大连,116034
- 作者简介：
- 基金信息：国家自然科学基金(60977014)();辽宁省教育厅高等学校科学研究基金(2009A087)资助项目()
DOI：10.3788/fgxb20113201.0016
中图分类号： O482.31收稿日期：2010-01-25，
修回日期：2010-06-24，
网络出版日期：2011-01-22，
纸质出版日期：2011-01-22
- 稿件说明：
移动端阅览
王木, 刘文华, 张竞辉, 李长敏, 林海, 赵昕. 铈铕掺杂氯硅酸镁钙体系的相对光谱功率分布与色坐标定位[J]. 发光学报, 2011,32(1): 16-20
WANG Mu, LIU Wen-hua, ZHANG Jing-hui, LI Chang-min, LIN Hai, ZHAO Xin. Relative Spectral Power Distribution and Emission Color Coordinates of Ce<sup>3+</sup> and Eu<sup>2+</sup> Doped Calcium Magnesium Chlorosilicate System[J]. Chinese Journal of Luminescence, 2011,32(1): 16-20
王木, 刘文华, 张竞辉, 李长敏, 林海, 赵昕. 铈铕掺杂氯硅酸镁钙体系的相对光谱功率分布与色坐标定位[J]. 发光学报, 2011,32(1): 16-20 DOI： 10.3788/fgxb20113201.0016.
WANG Mu, LIU Wen-hua, ZHANG Jing-hui, LI Chang-min, LIN Hai, ZHAO Xin. Relative Spectral Power Distribution and Emission Color Coordinates of Ce<sup>3+</sup> and Eu<sup>2+</sup> Doped Calcium Magnesium Chlorosilicate System[J]. Chinese Journal of Luminescence, 2011,32(1): 16-20 DOI： 10.3788/fgxb20113201.0016.
摘要
采用高温固相反应法合成铈铕掺杂氯硅酸镁钙系列粉体
利用X射线衍射(XRD)对晶体结构加以鉴定
并对其荧光光谱进行了测试和分析。通过光谱功率校准曲线
推演出样品的相对光谱功率分布
进而对粉体发光色坐标进行计算和表征。实验结果表明
合成粉体为面心立方晶体Ca
8
Mg(SiO
4
)
4
Cl
2
铈铕单掺氯硅酸镁钙样品在紫外光激发下分别发出蓝紫光和绿光
对应色坐标为(0.157 3
0.052 8)和(0.154 0
0.466 3)。在铈铕共掺杂体系中
Ce
3+
的加入使样品发光颜色发生明显改变
随着Ce
3+
浓度的增大而进入蓝绿区。
Abstract
A series of Ce
3+
and Eu
2+
doped Ca
8
Mg(SiO
4
)
4
Cl
2
powder were synthesized by high-temperature solid-state reaction. The crystal structure was investigated by X-ray diffraction (XRD) and the fluorescence spectra were also recorded and analyzed. The relative spectral power distribution was obtained by spectral power calibration curve
and the emission color coordinates of samples were calculated and characterized. The XRD spectrum indicate that the phosphor is Ca
8
Mg(SiO
4
)
4
Cl
2
with face centered cubic lattice. Ce
3+
and Eu
2+
doped Ca
8
Mg(SiO
4
)
4
Cl
2
samples present purplish-blue and green colors under the excitation of ultraviolet radiation
and the corresponding color coordinates are (0.157 3
0.052 8) and (0.154 0
0.466 3)
respectively. In Ce
3+
/Eu
2+
codoped Ca
8
Mg(SiO
4
)
4
Cl
2
powder
the introduction of Ce
3+
changes the luminescent color obviously
and with the increasing of concentration Ce
3+
the color coordinates shift to the greenish blue color region.
关键词
Keywords
references
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