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Eu3+掺杂5Li2O-1Nb2O5-5TiO2发光陶瓷的制备及性能研究
Preparation and Properties of Eu-doped 5Li2O-1Nb2O5-5TiO2 Ceramics
- 发光学报 2017年38卷第3期 页码：269-273
- 作者机构：
1. 华南师范大学信息光电子科技学院 广东省微纳光子功能材料与器件重点实验室, 广东 广州 510006
2. 中国科学院 无机功能材料与器件重点实验室, 上海 200050
3. 华南师范大学 实验中心, 广东 广州 510006
- 作者简介：
- 基金信息：广州市珠江科技新星项目（201506010001）();中国科学院无机功能材料与器件重点实验室开放课题（KLIFMD-2015-03）();华南师范大学研究生科研创新基
DOI：10.3788/fgxb20173803.0269
中图分类号： O482.31纸质出版日期：2017-3-5，
收稿日期：2016-9-8，
修回日期：2016-10-12，
扫 描 看 全 文
王飞, 周志勇, 曾群等. Eu<sup>3+</sup>掺杂5Li<sub>2</sub>O-1Nb<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub>发光陶瓷的制备及性能研究[J]. 发光学报, 2017,38(3): 269-273
WANG Fei, ZHOU Zhi-yong, ZENG Qun etc. Preparation and Properties of Eu-doped 5Li<sub>2</sub>O-1Nb<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> Ceramics[J]. Chinese Journal of Luminescence, 2017,38(3): 269-273
王飞, 周志勇, 曾群等. Eu<sup>3+</sup>掺杂5Li<sub>2</sub>O-1Nb<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub>发光陶瓷的制备及性能研究[J]. 发光学报, 2017,38(3): 269-273 DOI： 10.3788/fgxb20173803.0269.
WANG Fei, ZHOU Zhi-yong, ZENG Qun etc. Preparation and Properties of Eu-doped 5Li<sub>2</sub>O-1Nb<sub>2</sub>O<sub>5</sub>-5TiO<sub>2</sub> Ceramics[J]. Chinese Journal of Luminescence, 2017,38(3): 269-273 DOI： 10.3788/fgxb20173803.0269.
摘要
以Li
2
CO
3
、Nb
2
O
5
、TiO
2
和Eu
2
O
3
为原料，采用固相法制备Eu
3+
掺杂的5Li
2
CO
3
-1Nb
2
O
5
-5TiO
2
（LNT）发光介质陶瓷。通过密度、XRD和荧光光谱测试，对0.2%（质量分数）Eu
2
O
3
掺杂的陶瓷片进行性能表征。结果表明：1 120℃烧结致密的陶瓷片，其晶相结构为M-相与Li
2
TiO
3
两相复合构成；在400 nm的近紫外光激发下，样品有较强的橙光（592 nm）和红光（615 nm）发射，分别属于Eu
3+
的
5
D
0
7
F
1
的磁偶极跃迁和
5
D
0
7
F
2
的电偶极跃迁。
Abstract
Eu-doped 5Li
2
O-1Nb
2
O
5
-5TiO
2
(LNT) luminescent dielectric ceramics were synthesized by solid state reaction method with Li
2
CO
3
Nb
2
O
5
TiO
2
and Eu
2
O
3
as raw materials. The properties of LNT:0.2%Eu
3+
(mass fraction)ceramics were characterized by density test
X-ray diffraction(XRD) and photoluminescence spectroscopy
respectively. The XRD results show that the ceramics sintered at 1 120℃ consist of M-phase and Li
2
TiO
3
solid solution
no other miscellaneous phase. Under 400 nm excitation
strong red-orange luminescence can be observed. The red emission at 615 nm belonging to
5
D
0
7
F
2
transition is an electric dipole transition
while the orange emission at 592 nm corresponding to
5
D
0
7
F
1
transition is a typical magnetic dipole allowed transition.
关键词
固相法Eu3+掺杂发射光谱激发光谱
Keywords
solid state reaction methodEu-dopedemission spectrumexcitation spectrum
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