Variable Emission Changes in Bi3+/Ln3+ (Ln = Eu, Sm, Dy) Co-doped Lutetium Vanadates (LuVO4)

被引：0
|
作者：
Yuhui Zheng
Jing Hu
Surong Deng
Jinwei Gao
Qianming Wang
机构：
[1] South China Normal University,Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment
[2] South China Normal University,School of Chemistry and Environment
[3] Guangzhou Key Laboratory of Materials for Energy Conversion and Storage,Institute for Advanced Materials, Academy of Advanced Optoelectronics
[4] South China Normal University,undefined
来源：
Journal of Electronic Materials | 2016年 / 45卷
关键词：
Luminescence; microstructure; phosphor; bismuth; morphology;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High-purity LuVO4: Ln3+/Bi3+ (Ln = Eu, Sm, Dy) phosphors with tetragonal zircon structures were successfully synthesized. The reactions have been carried out by multiple irradiations with very high efficiency. Transmission electron microscope images showed that the phosphors had rod-like structures with average lengths of about 200 nm. The host absorption edge of LuVO4: Ln3+/Bi3+ (Ln = Eu, Sm) shifted to the longer wavelength side. Furthermore, the red emission of Eu3+ ion and the orange emission of Sm3+ ion are remarkably enhanced by encapsulating Bi3+ in LuVO4 system, whereas in the case of LuVO4: Dy3+/Bi3+, the host absorption and the yellow emission from dysprosium have been suppressed in the presence of Bi3+. These novel findings will facilitate their use in the display field.
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页码：2974 / 2980
页数：6
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