SrCO3 ∶ Mn2+ 绿色荧光粉的合成和发光性能

梁玉军; 江庆军; 李永周; 涂东; 金萍; 杨文龙

doi:10.3788/fgxb20113204.0337

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SrCO₃ ∶ Mn²⁺ 绿色荧光粉的合成和发光性能

材料合成及性能研究 | 更新时间：2020-08-12

- SrCO₃ ∶ Mn²⁺ 绿色荧光粉的合成和发光性能
- Synthesis and Luminescent Properties of The Green-emitting SrCO₃ ∶ Mn²⁺ Phosphors
- 发光学报 2011年32卷第4期页码：337-341
- 作者机构：
  
  中国地质大学(武汉) 材料科学与化学工程学院,湖北武汉,430074
- 作者简介：
- 基金信息：
  
  广东省省部产学研结合项目(2010B090400437)();中央高校基本科研业务费专项基金(CUG090108)资助()
- DOI：10.3788/fgxb20113204.0337
  中图分类号： O482.31
- 收稿日期：2010-10-12，
  
  修回日期：2010-11-01，
  
  网络出版日期：2011-04-22，
  
  纸质出版日期：2011-04-22
- 稿件说明：
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梁玉军, 江庆军, 李永周, 涂东, 金萍, 杨文龙. SrCO3 ∶ Mn2+ 绿色荧光粉的合成和发光性能[J]. 发光学报, 2011,32(4): 337-341

LIANG Yu-jun, JIANG Qing-jun, LI Yong-zhou, TU Dong, JIN Ping, YANG Wen-long. Synthesis and Luminescent Properties of The Green-emitting SrCO3 ∶ Mn2+ Phosphors[J]. Chinese Journal of Luminescence, 2011,32(4): 337-341
梁玉军, 江庆军, 李永周, 涂东, 金萍, 杨文龙. SrCO3 ∶ Mn2+ 绿色荧光粉的合成和发光性能[J]. 发光学报, 2011,32(4): 337-341 DOI： 10.3788/fgxb20113204.0337.

LIANG Yu-jun, JIANG Qing-jun, LI Yong-zhou, TU Dong, JIN Ping, YANG Wen-long. Synthesis and Luminescent Properties of The Green-emitting SrCO3 ∶ Mn2+ Phosphors[J]. Chinese Journal of Luminescence, 2011,32(4): 337-341 DOI： 10.3788/fgxb20113204.0337.

摘要

采用共沉淀法结合高温固相法

在碳还原气氛下合成了SrCO

∶ Mn

绿色荧光粉

用XRD和荧光光谱分别对样品的结构和发光性能进行了表征。XRD结果证实

样品为单一斜方晶系的SrCO

相;荧光光谱检测表明

样品在267 nm左右紫外线激发下

产生峰位位于547 nm的明亮绿光

对应于Mn

的

(

S)电子跃迁。样品的最佳烧结温度为1 000 ℃

的最佳掺杂摩尔分数为2.0%。

Abstract

The green-emitting phosphors SrCO

∶ Mn

were successfully synthesized by conventional solid-state reaction combined with co-precipitation method in a carbon-reducing atmosphere. The photoluminescent pro-perties and crystal structure of the samples were investigated by fluorescence spectroscopy and X-ray diffraction

respectively. XRD results showed that the phosphors possess pure trimetric crystal structure. And the PL spectra showed a strong broad-band green color emission located at 500~600 nm (

=267 nm) correspon-ding to the

(

S) transitions of Mn

ion in SrCO

∶ Mn

phosphors. The optimum sintering temperature is about 1 000 ℃ and the best doping concentration is 2.0% in mole fraction. A strong concentration quenching effect is presented at the concentration of

(Mn

)＞2.0%.

关键词

Keywords

references

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