Al3+掺杂ScVO4:Eu3+,Bi3+荧光粉的制备及发光性质

邓超; 林利添; 汤利; 陈东菊; 孟建新

doi:10.3788/fgxb20153611.1246

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Al³⁺掺杂ScVO₄:Eu³⁺,Bi³⁺荧光粉的制备及发光性质

材料合成及性能 | 更新时间：2020-08-12

- Al³⁺掺杂ScVO₄:Eu³⁺,Bi³⁺荧光粉的制备及发光性质
- Synthesis and Luminescence of ScVO₄: Eu³⁺,Bi³⁺,Al³⁺ Phosphors
- 发光学报 2015年36卷第11期页码：1246-1251
- 作者机构：
  
  暨南大学化学系,广东广州,510632
- 作者简介：
- 基金信息：
  
  广东省自然科学基金研究团队项目(S2013030012842)资助()
- DOI：10.3788/fgxb20153611.1246
  中图分类号： O614.3+.1;O482.31
- 纸质出版日期：2015-11-10，
  
  收稿日期：2015-8-4，
  
  修回日期：2015-8-25，
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邓超, 林利添, 汤利等. Al3+掺杂ScVO4:Eu3+,Bi3+荧光粉的制备及发光性质[J]. 发光学报, 2015,36(11): 1246-1251

DENG Chao, LIN Li-tian, TANG Li etc. Synthesis and Luminescence of ScVO4: Eu3+,Bi3+,Al3+ Phosphors[J]. Chinese Journal of Luminescence, 2015,36(11): 1246-1251
邓超, 林利添, 汤利等. Al3+掺杂ScVO4:Eu3+,Bi3+荧光粉的制备及发光性质[J]. 发光学报, 2015,36(11): 1246-1251 DOI： 10.3788/fgxb20153611.1246.

DENG Chao, LIN Li-tian, TANG Li etc. Synthesis and Luminescence of ScVO4: Eu3+,Bi3+,Al3+ Phosphors[J]. Chinese Journal of Luminescence, 2015,36(11): 1246-1251 DOI： 10.3788/fgxb20153611.1246.

摘要

采用高温固相法在1 000 ℃下煅烧6 h合成了ScVO

:Eu

荧光粉.使用X射线粉末衍射仪和扫描电镜对样品的结构和形貌进行了表征

采用荧光分光光度计研究了样品的发光性质.用315 nm波长激发ScVO

:Eu

样品时

样品在590~620 nm范围内发射强烈的橙红光

最大发射峰位于615 nm.少量Al

的掺入可以增强ScVO

:Eu

荧光粉的发光

而掺入过量Al

时会使ScVO

:Eu

荧光粉的发光变弱.当Al

在ScVO

:Eu

中的摩尔分数达到4%时

样品的发光最强且其发光强度较未掺杂Al

的样品提高了约30%.

Abstract

ScVO

:Eu

phosphors were synthesized by solid-state reaction at 1 000 ℃ for 6 h. The samples were characterized by X-ray diffraction

FESEM

emission and excitation spectra. Under 315 nm excitation

strong salmon can be observed

which result from the emission band in 590~ 620 nm and the maximum emission peak in 615 nm. The incorporation of a small amount of Al

can distinctly enhance the luminescence of the ScVO

:Eu

phosphors

while the excess amounts of Al

can make its luminescence weaker. The intensity of (Sc

0.81

0.05

0.10

0.04

)VO

phosphor is the strongest

improved 30 times than undoped (Sc

0.8

0.05

0.10

)VO

phosphor.

关键词

ScVO4白光LED荧光粉

Keywords

ScVO4white LEDphosphors

references

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