Photoluminescence properties of Li2+xNb3xTi1-4xO3:Eu3+

被引：2
|
作者：
Guo, Chao-Chao [1 ]
Zeng, Qun [1 ]
Yao, Chun-Feng [2 ]
Feng, Yan-Zhao [1 ]
Chen, Xi [1 ]
Liu, Ying-Yi [1 ]
机构：
[1] South China Normal Univ, Guangzhou Key Lab Special Fiber Photon Devices &, Guangzhou 510006, Guangdong, Peoples R China
[2] South China Normal Univ, Res Resources Ctr, Guangzhou 510006, Guangdong, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2019年 / 12卷 / 04期
关键词：
Red phosphors; Li2+xNb3xTi1-4xO3: 3 wt.% Eu3+; excitation and emission intensity; chromaticity coordinate; SOLID-SOLUTIONS; OPTICAL-PROPERTIES; CRYSTAL-STRUCTURE; PHOSPHOR; LUMINESCENCE; EU3+; SM3+;
D O I：
10.1142/S1793604719500577
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Red phosphors with compositions of Li2+xNb3xTi1-4xO3:3 wt.% Eu3+ (0.01 <= x <= 0.08) were synthesized by solid-state reaction method. The samples were investigated by using X-ray diffraction (XRD) and photoluminescence spectroscopy, respectively. XRD results showed that all samples were main phase of Li2TiO3. Emission spectra of Li2+xNb3xTi1-4xO3:3 wt.% Eu3+ powders showed strong red emission at 612 nm (D-5(0)-F-7(2)) with 396 nm excitation. In addition, the excitation and emission intensity increased up to x = 0.06, and then decreased with further increasing of the x values. And the chromaticity coordinate (CIE) of the component with x = 0.06 was superior to other components.
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页数：4
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