&beta;-NaGd0.794 Yb0.200 Ho0.001 Tm0.005 F4 纳米颗粒的白色上转换发光

德格吉呼; 孟根拉布其; 斯琴

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β-NaGd_0.794 Yb_0.200 Ho_0.001 Tm_0.005 F₄ 纳米颗粒的白色上转换发光

论文 | 更新时间：2020-08-12

- β-NaGd_0.794 Yb_0.200 Ho_0.001 Tm_0.005 F₄ 纳米颗粒的白色上转换发光
- Bright White Light through Up-conversion of a Single NIR Source from β-NaGd_0.794Yb_0.200Ho_0.001Tm_0.005F₄ Nanoparticles
- 发光学报 2010年31卷第5期页码：737-742
- 作者机构：
  
  1. 内蒙古师范大学化学与环境科学学院,内蒙古呼和浩特,010022
  2. 内蒙古材料物理与化学功能材料重点实验室,内蒙古呼和浩特,010022
- 作者简介：
- 基金信息：
  
  国家自然科学基金(20863005)();内蒙古自然科学基金(20080404MS0806)资助项目()
- DOI：
  中图分类号： O482.31
- 纸质出版日期：2010-9-21，
  
  网络出版日期：2010-9-21，
  
  收稿日期：2010-3-25，
  
  修回日期：2010-6-19，
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德格吉呼, 孟根拉布其, 斯琴. β-NaGd0.794 Yb0.200 Ho0.001 Tm0.005 F4 纳米颗粒的白色上转换发光[J]. 发光学报, 2010,31(5): 737-742

Degejihu, Menggenlabuqi, Siqin. Bright White Light through Up-conversion of a Single NIR Source from β-NaGd0.794Yb0.200Ho0.001Tm0.005F4 Nanoparticles[J]. 发光学报, 2010,31(5): 737-742
德格吉呼, 孟根拉布其, 斯琴. β-NaGd0.794 Yb0.200 Ho0.001 Tm0.005 F4 纳米颗粒的白色上转换发光[J]. 发光学报, 2010,31(5): 737-742 DOI：

Degejihu, Menggenlabuqi, Siqin. Bright White Light through Up-conversion of a Single NIR Source from β-NaGd0.794Yb0.200Ho0.001Tm0.005F4 Nanoparticles[J]. 发光学报, 2010,31(5): 737-742 DOI：

摘要

利用简单的水热合成法制备了-NaGd

0.794

0.200

0.001

0.005

纳米颗粒。采用X射线粉末衍射(XRD)技术测定了样品的物相

结果显示样品为六角相。通过透射电子显微镜(TEM)和高分辨透射电子显微镜观察的结果样品为椭球和六角形状

颗粒的平均尺寸为23 nm。用980 nm半导体激光二极管为激发光源

测定了样品的室温上转换发射谱

结果表明:样品分别发射红、绿和蓝色光

其相对发射强度

从强到弱的顺序为蓝色、绿色和红色

与其对应辐射跃迁分别为Tm

离子的

跃迁。样品发射的蓝、绿和红光组合而发出强的白色上转换发光

其色品坐标为(

=0.271 7

=0.267 3)。

Abstract

The -NaGd

0.794

0.200

0.001

0.005

nanoparticles were synthesized by a hydrothermal method. The studies of the powder X-ray diffraction

transmission electron microscopy

high-resolution transmission electron microscopy

and energy-dispersive X-ray spectroscopy show that the -NaGd

0.794

0.200

0.001

0.005

nanoparticles crystallize in the shape of hexagonal morphology and ellipsoidal sphere with an average size of about 23 nm. Room-temperature bright white light emission in Yb

ions doped -NaGdF

nanoparticles was observed in an upconversion process under the excitation of single-wavelength diode laser of 980 nm. The white light consists of the blue

green

and red upconversion emissions

which correspond to the transitions

of Tm

and

of Ho

ions

respectively. By the spectral positions at 476

542

and 650 nm we have the white-light coordinates

=0.271 7 and

=0.267 3.

关键词

水热合成稀土离子氟化物纳米颗粒白色光上转换发光

Keywords

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β-NaGd0.794 Yb0.200 Ho0.001 Tm0.005 F4 纳米颗粒的白色上转换发光

Bright White Light through Up-conversion of a Single NIR Source from β-NaGd0.794Yb0.200Ho0.001Tm0.005F4 Nanoparticles

DOI：

摘要

Abstract

关键词

Keywords

references

β-NaGd_0.794 Yb_0.200 Ho_0.001 Tm_0.005 F₄ 纳米颗粒的白色上转换发光

Bright White Light through Up-conversion of a Single NIR Source from β-NaGd_0.794Yb_0.200Ho_0.001Tm_0.005F₄ Nanoparticles