Mn激活无水芒硝在真空紫外光激发下的发光特性

阿吉木·; 阿不来; 塔西买提·; 玉苏甫; 阿力甫·; 沙吾提; 艾尔肯·; 斯地克

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Mn激活无水芒硝在真空紫外光激发下的发光特性

材料合成及性能研究 | 更新时间：2020-08-12

- Mn激活无水芒硝在真空紫外光激发下的发光特性
- Luminescence Properties of Thenardite Activated with Mn Under Vacuum Ultraviolet Excitation
- 发光学报 2011年32卷第3期页码：241-244
- 作者机构：
  
  新疆师范大学物理与电子工程学院,新疆乌鲁木齐,830054
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10964013)();新疆维吾尔自治区自然科学基金(2009211A09)();新疆师范大学研究生科技创新基金(20101204)资助项目()
- DOI：
  中图分类号： O482.31
- 收稿日期：2010-08-31，
  
  修回日期：2010-11-18，
  
  网络出版日期：2011-03-22，
  
  纸质出版日期：2011-03-22
- 稿件说明：
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阿吉木·阿不来, 塔西买提·玉苏甫, 阿力甫·沙吾提, 艾尔肯·斯地克. Mn激活无水芒硝在真空紫外光激发下的发光特性[J]. 发光学报, 2011,32(3): 241-244

Ajimu Abulai, Taximaiti Yusufu, Alifu Shafuti, Aierken Sidike. Luminescence Properties of Thenardite Activated with Mn Under Vacuum Ultraviolet Excitation[J]. Chinese Journal of Luminescence, 2011,32(3): 241-244
阿吉木·阿不来, 塔西买提·玉苏甫, 阿力甫·沙吾提, 艾尔肯·斯地克. Mn激活无水芒硝在真空紫外光激发下的发光特性[J]. 发光学报, 2011,32(3): 241-244 DOI：

Ajimu Abulai, Taximaiti Yusufu, Alifu Shafuti, Aierken Sidike. Luminescence Properties of Thenardite Activated with Mn Under Vacuum Ultraviolet Excitation[J]. Chinese Journal of Luminescence, 2011,32(3): 241-244 DOI：

摘要

在空气中900 ℃温度下

将纯天然无水芒硝(Na

)和MnCl

的混合粉末900 ℃加热20 min后

迅速骤冷至室温制备了Na

∶ Mn发光材料

并测量了其在室温中真空紫外光激发下的光致发光谱。实验结果表明

在172 nm激发下的发射光谱由峰值位于在592 nm处的宽带谱构成

所得到的宽带谱归属于Mn

的3d电子组态内

的辐射跃迁。红色发光监测得到的激发光谱分为两类:峰值位于165

233 nm处的基质吸收带和位于191

275 nm处的Mn

的吸收带。MnCl

掺杂的质量分数在0.1%~0.4%范围内

随着Mn掺杂量的增加

Mn激活无水芒硝(Na

∶ Mn)的发射光谱强度相应增强

质量分数达到0.3%后出现浓度猝灭现象。

Abstract

∶ Mn phosphors were prepared by heating pure natural thenardite with MnCl

at 900 ℃ for 20 min in air. Their photoluminescence (PL) spectra were investigated under vacuum ultraviolet (VUV) at room temperature. The results show the emission spectrum under 172 nm excitation consists of a broad band with a peak at 592 nm

which can be attributed to the

transition in the 3d shell of Mn

. The excitation spectrum obtained by monitoring the red luminescence divides into two parts: absorption bands of Mn

(191 nm and 275 nm) and host absorption bands (165 nm and 233 nm).The relative emission efficiency increase with the mass fraction of MnCl

in 0.1%~0.4% range

and the concentration quenching occurs at 0.3% Mn contents.

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references

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