Synthesis and Optical Properties of Upconversion NaYF4∶Dy3+ Nanoparticles

WANG Ya-jing; ZHANG Zheng; XIAO Lin-jiu; XIE Ying

doi:10.3788/fgxb20123303.0258

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Synthesis and Optical Properties of Upconversion NaYF₄∶Dy³⁺ Nanoparticles

paper | 更新时间：2020-08-12

- Synthesis and Optical Properties of Upconversion NaYF₄∶Dy³⁺ Nanoparticles
- Chinese Journal of Luminescence Vol. 33, Issue 3, Pages: 258-262(2012)
- 作者机构：
  
  沈阳化工大学,辽宁沈阳,110142
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123303.0258
  CLC： O482.31
- Received：15 December 2011，
  
  Revised：28 December 2011，
  
  Published Online：10 March 2012，
  
  Published：10 March 2012
- 稿件说明：
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王雅静, 张征, 肖林久, 谢颖. Dy3+掺杂NaYF4纳米粒子的制备及其上转换发光性质[J]. 发光学报, 2012,33(3): 258-262

WANG Ya-jing, ZHANG Zheng, XIAO Lin-jiu, XIE Ying. Synthesis and Optical Properties of Upconversion NaYF4∶Dy3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2012,33(3): 258-262
王雅静, 张征, 肖林久, 谢颖. Dy3+掺杂NaYF4纳米粒子的制备及其上转换发光性质[J]. 发光学报, 2012,33(3): 258-262 DOI： 10.3788/fgxb20123303.0258.

WANG Ya-jing, ZHANG Zheng, XIAO Lin-jiu, XIE Ying. Synthesis and Optical Properties of Upconversion NaYF4∶Dy3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2012,33(3): 258-262 DOI： 10.3788/fgxb20123303.0258.

摘要

制备了Dy

掺杂 NaYF

上转换发光纳米晶体

通过X射线衍射(XRD)、扫描电子显微镜(SEM)、荧光(FL)光谱、红外光谱仪(FT-IR)对合成样品的结构、形貌和发光性能进行表征。探讨了稀土离子掺杂浓度和焙烧温度对NaYF

∶Dy

纳米晶的结构、形貌和发光的影响。在776 nm红外光下激发样品

出现479

574 nm上转换发射峰

实现了蓝、绿上转换发光。绿光来自于Dy

的

9/2

13/2

跃迁

蓝光是由Dy

的

9/2

15/2

跃迁产生的。

Abstract

Trivalent dysprosium ions co-doped NaYF

up-conversion luminescence nanoparticles were synthesized. The samples were characterized by X-ray diffraction (XRD)

scanning electron microscope (SEM)

infrared spectrometer (FT-IR) and fluorescence (FL) spectrum. The effect of annealing temperature and the concentration of Dy

co-doping on the crystal structure

morphology and luminescence properties were investigated. The absorption spectra shows that the absorption peak band centered at 776 nm corresponds to

15/2

5/2

transition of Dy

ion. Under 776 nm excitation

the NaYF

∶Dy

can emit strong green and blue emission. The blue emitting light results from the transition of

9/2

15/2

of Dy

green emitting light is from the transition of

9/2

13/2

of Dy

. XRD analyses show that the UCNPs are pure cubic phase NaYF

nanocrystals.

关键词

Keywords

references

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