La3PO7:Eu3+纳米晶的制备和光谱性质

吕少哲; 张家骅; 张继森; 鄂书林; 骆永石; 赵海峰

doi:10.3788/fgxb20123304.0366

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La₃PO₇:Eu³⁺纳米晶的制备和光谱性质

材料合成及性能研究 | 更新时间：2020-08-12

- La₃PO₇:Eu³⁺纳米晶的制备和光谱性质
- Synthesis and Spectroscopy Properties of La₃PO₇:Eu³⁺ Nanomaterials
- 发光学报 2012年33卷第4期页码：366-370
- 作者机构：
  
  发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所,吉林长春,130033
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10874180,11174278,10774141,11174276,51172226)资助项目()
- DOI：10.3788/fgxb20123304.0366
  中图分类号： O482.31
- 纸质出版日期：2012-4-10，
  
  网络出版日期：2012-4-10，
  
  收稿日期：2012-2-1，
  
  修回日期：2012-2-21，
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吕少哲, 张家骅, 张继森, 鄂书林, 骆永石, 赵海峰. La3PO7:Eu3+纳米晶的制备和光谱性质[J]. 发光学报, 2012,33(4): 366-370

LV Shao-zhe, ZHANG Jia-hua, ZHANG Ji-sen, E Shu-lin, LUO Yong-shi, ZHAO Hai-feng. Synthesis and Spectroscopy Properties of La3PO7:Eu3+ Nanomaterials[J]. Chinese Journal of Luminescence, 2012,33(4): 366-370
吕少哲, 张家骅, 张继森, 鄂书林, 骆永石, 赵海峰. La3PO7:Eu3+纳米晶的制备和光谱性质[J]. 发光学报, 2012,33(4): 366-370 DOI： 10.3788/fgxb20123304.0366.

LV Shao-zhe, ZHANG Jia-hua, ZHANG Ji-sen, E Shu-lin, LUO Yong-shi, ZHAO Hai-feng. Synthesis and Spectroscopy Properties of La3PO7:Eu3+ Nanomaterials[J]. Chinese Journal of Luminescence, 2012,33(4): 366-370 DOI： 10.3788/fgxb20123304.0366.

摘要

通过燃烧法合成了Eu

掺杂的含氧磷酸镧(La

:Eu

)纳米晶颗粒材料。样品的结构、形貌和粒径分别由X射线衍射、扫描电镜和透射电子显微镜得到。测量了样品的发射光谱、激光选择激发光谱和时间分辨光谱。实验结果表明:样品展示的较强红光发射来自于Eu

的

辐射跃迁

在La

基质中至少占据两种不同的格位

且具有较低的格位对称性。

Abstract

:Eu

nanocrystals were successfully prepared by combustion method. The structure and morphology of the prepared samples were obtained by X-ray diffraction

scanning of electron microscopy

high resolution transmission electron microscope

respectively. It was found that the average size of the particles was about 80 nm. In La

:Eu

samples

the major emission peak is derived from the

radiation transition and has a strong red emission and better color purity. The results of emission spectra

laser selective excitation spectra and time-resolved spectra indicate that symmetry of the local environment of Eu

is lower and Eu

ions occupy at least two types of site in the La

nanocrystal.

关键词

La3PO7：Eu3+色纯度纳米选择激发

Keywords

LaP3O7：Eu3+colorimetric puritynanocrystallaser selective excitation

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