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广东省量子调控工程与材料重点实验室 华南师范大学物理与电信工程学院,广东 广州,510006
纸质出版日期:2015-11-10,
收稿日期:2015-7-18,
修回日期:2015-8-16,
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李宁, 段萍萍, 孙旭炜等. Sm<sup>3+</sup>掺杂的SnNb<sub>2</sub>O<sub>6</sub>粉体的光谱特性[J]. 发光学报, 2015,36(11): 1278-1281
LI Ning, DUAN Ping-ping, SUN Xu-wei etc. Photoluminescent Properties of Sm<sup>3+</sup> Doped SnNb<sub>2</sub>O<sub>6</sub> Powders[J]. Chinese Journal of Luminescence, 2015,36(11): 1278-1281
李宁, 段萍萍, 孙旭炜等. Sm<sup>3+</sup>掺杂的SnNb<sub>2</sub>O<sub>6</sub>粉体的光谱特性[J]. 发光学报, 2015,36(11): 1278-1281 DOI: 10.3788/fgxb20153611.1278.
LI Ning, DUAN Ping-ping, SUN Xu-wei etc. Photoluminescent Properties of Sm<sup>3+</sup> Doped SnNb<sub>2</sub>O<sub>6</sub> Powders[J]. Chinese Journal of Luminescence, 2015,36(11): 1278-1281 DOI: 10.3788/fgxb20153611.1278.
采用熔盐法制备了Sm
3+
掺杂的SnNb
2
O
6
粉体
利用X射线粉末衍射、扫描电子显微镜对其物相和形貌进行了表征
用激发、发射光谱和荧光寿命对样品的发光性能进行了研究.结果表明:所得样品为单斜晶系的SnNb
2
O
6
在407 nm的激发下
有较强的橙红色发射
最强峰位于599 nm
属于Sm
3+
的
4
G
5/2
6
H
7/2
跃迁.
Sm
3+
doped SnNb
2
O
6
powders were synthesized by molten-salt growth method. The structure and morphology of SnNb
2
O
6
:Sm
3+
were characterized by X-ray diffractometer and scanning electron microscope. The photoluminescent properties were studied by the excitation
emission spectra and fluorescence lifetimes. The results reveal that the obtain samples are monoclinic SnNb
2
O
6
powders. Under 407 nm excitation
strong red-orange luminescence can be observed
and the strongest emission peak is located at 599 nm
corresponding to
4
G
5/2
6
H
7/2
transition of Sm
3+
.
熔盐法SnNb2O6: Sm3+光致发光
molten-salt growth methodSnNb2O6: Sm3+photoluminesce
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