YVO4:Yb3+,Er3+纳米粒子颜色可控的高色纯度上转换发光

付姚; 史月; 王朝阳; 邢明铭; 田莹; 罗昔贤; 冷静

doi:10.3788/fgxb20173801.0007

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YVO₄:Yb³⁺,Er³⁺纳米粒子颜色可控的高色纯度上转换发光

材料合成及性能 | 更新时间：2020-08-12

- YVO₄:Yb³⁺,Er³⁺纳米粒子颜色可控的高色纯度上转换发光
- High-purity and Color-tunable Up-conversion Luminescence of YVO₄: Yb³⁺,Er³⁺ Nanoparticles
- 发光学报 2017年38卷第1期页码：7-12
- 作者机构：
  
  大连海事大学物理系,辽宁大连,116026
- 作者简介：
- 基金信息：
  
  中央高校基本科研业务费专项（3132016120）();辽宁省教育厅科学研究计划（L2013201，L2014212，L2014208）资助项目()
- DOI：10.3788/fgxb20173801.0007
  中图分类号： O482.31
- 纸质出版日期：2017-1-5，
  
  收稿日期：2016-7-2，
  
  修回日期：2016-8-14，
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付姚, 史月, 王朝阳等. YVO4:Yb3+,Er3+纳米粒子颜色可控的高色纯度上转换发光[J]. 发光学报, 2017,38(1): 7-12

FU Yao, SHI Yue, WANG Zhao-yang etc. High-purity and Color-tunable Up-conversion Luminescence of YVO4: Yb3+,Er3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2017,38(1): 7-12
付姚, 史月, 王朝阳等. YVO4:Yb3+,Er3+纳米粒子颜色可控的高色纯度上转换发光[J]. 发光学报, 2017,38(1): 7-12 DOI： 10.3788/fgxb20173801.0007.

FU Yao, SHI Yue, WANG Zhao-yang etc. High-purity and Color-tunable Up-conversion Luminescence of YVO4: Yb3+,Er3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2017,38(1): 7-12 DOI： 10.3788/fgxb20173801.0007.

摘要

采用共沉淀法制备了四方相锆石型结构YVO

∶Yb

，Er

纳米粒子。粒子表面光滑，结晶良好，呈类球状，粒径~80 nm。在980 nm和1 550 nm红外激发下，粒子呈现类似的特征发射，峰位位于634~706 nm的红光和513~573 nm的绿色分别归因于Er

离子

9/2

15/2

和

11/2

，

3/2

15/2

能级间的辐射跃迁。通过激发光波长控制，在同组分粒子中实现了颜色可控的高色纯度绿、红色发光，对应的绿红光和红绿光分支比分别高达29.5和37.97。借助能级跃迁模型，详细讨论了不同激发条件下的纳米粒子上转换发光的跃迁和变化机制。

Abstract

Near-spherical and well crystallized YVO

:Yb

nanoparticles with tetragonal zircon structure were prepared by co-precipitation method. The average particle size is 80 nm. Under 1 550 and 980 nm excitation

the observed emissions of the particles are similar and locate near 513-573 nm and 634-706 nm corresponding to

11/2

3/2

15/2

and

9/2

15/2

transitions of Er

ions

respectively. By controlling the excitation wavelength

color-tunable and high-purity green and red up-conversion luminescence(UCL) from the same component nanoparticles can be obtained. Under the excitation of 980 nm

the intensity ratio value of green and red emission reaches 29.5. However

when the excitation source is replaced by 1 550 nm diode laser

a bright red emission with high color purity is observed. Here

the maximum value of the intensity ratio of red and green emission is 37.97. Furthermore

the different UCL transition mechanisms of the phosphor excited by 980 nm and 1 550 nm are discussed in detail by means of Er

energy model.

关键词

上转换发光YVO4纳米粒颜色可控高色纯度

Keywords

up-conversion luminescenceYVO4 nanoparticlescolor-tunablehigh color purity

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