Upconversion Luminescence of Eu3+ in NaYbF4∶Tm3+,Eu3+ Nanocrystals Induced by 980 nm Excitation

LIU Ye; YU Fang-da; LIU Shu-sen; ZHAO Dan; HE Chun-feng; ZHENG Ke-zhi; QIN Wei-ping

doi:10.3788/fgxb20123305.0476

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Upconversion Luminescence of Eu³⁺ in NaYbF₄∶Tm³⁺,Eu³⁺ Nanocrystals Induced by 980 nm Excitation

paper | 更新时间：2020-08-12

- Upconversion Luminescence of Eu³⁺ in NaYbF₄∶Tm³⁺,Eu³⁺ Nanocrystals Induced by 980 nm Excitation
- Chinese Journal of Luminescence Vol. 33, Issue 5, Pages: 476-480(2012)
- 作者机构：
  
  吉林大学电子科学与工程学院集成光电子国家重点联合实验室,吉林长春,130012
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123305.0476
  CLC： O482.31
- Received：22 March 2012，
  
  Revised：17 April 2012，
  
  Published Online：10 May 2012，
  
  Published：10 May 2012
- 稿件说明：
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刘叶, 于放达, 刘树森, 赵丹, 何春凤, 郑克志, 秦伟平. 近红外光诱导下NaYbF4:Tm3+,Eu3+ 体系中Eu3+的上转换发光[J]. 发光学报, 2012,(5): 476-480

LIU Ye, YU Fang-da, LIU Shu-sen, ZHAO Dan, HE Chun-feng, ZHENG Ke-zhi, QIN Wei-ping. Upconversion Luminescence of Eu3+ in NaYbF4∶Tm3+,Eu3+ Nanocrystals Induced by 980 nm Excitation[J]. Chinese Journal of Luminescence, 2012,(5): 476-480
刘叶, 于放达, 刘树森, 赵丹, 何春凤, 郑克志, 秦伟平. 近红外光诱导下NaYbF4:Tm3+,Eu3+ 体系中Eu3+的上转换发光[J]. 发光学报, 2012,(5): 476-480 DOI： 10.3788/fgxb20123305.0476.

LIU Ye, YU Fang-da, LIU Shu-sen, ZHAO Dan, HE Chun-feng, ZHENG Ke-zhi, QIN Wei-ping. Upconversion Luminescence of Eu3+ in NaYbF4∶Tm3+,Eu3+ Nanocrystals Induced by 980 nm Excitation[J]. Chinese Journal of Luminescence, 2012,(5): 476-480 DOI： 10.3788/fgxb20123305.0476.

摘要

利用水热法制备得到NaYbF

:0.01%Tm

20%Eu

上转换材料

利用X射线衍射分析、扫描电子显微镜及光谱测试技术分别对其进行了结构、形貌以及光谱性质的表征。在980 nm近红外激光激发下

得到了Eu

的可见到紫外范围的上转换荧光发射。分析表明:共掺杂NaYbF

纳米材料中Tm

到Eu

离子的能量传递对布居Eu

离子的激发态能级

获得Eu

的上转换发光起着至关重要的作用。另外

在实验中首次获得了Eu

对应于

(

2)能级跃迁的上转换光发射。

Abstract

NaYbF

∶0.01%Tm

20%Eu

nanocrystals were synthesized by hydrothermal method. The crystalline phase

morphology

and optical properties were characterized by X-ray diffraction

scanning electron microscope and luminescent spectra. The samples are nano-rods with uniform size distribution. Their length is 500 nm and diameter is 200 nm on average. Under 980 nm near-infrared laser excitation

ultraviolet and visible upconversion luminescence of Eu

was obtained. In the codoped NaYbF

nano-rods

the energy transfer from Tm

to Eu

and the bridging effect of Tm

ions play important roles in populating the high-energy excited states of Eu

. Furthermore

the upconversion emissions from

(

2) of Eu

were observed for the first time.

关键词

Keywords

references

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