Energy Transition Processes between Yb3+-Tm3+-Gd3+ in Gd3+, Yb3+and Tm3+ Co-dopedg Fluoride Nanocrystal

ZHANG Ji-sen; ZHANG Li-guo; REN Jian-yue; DUAN Pei-hua; LV Shao-zhe

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Energy Transition Processes between Yb³⁺-Tm³⁺-Gd³⁺ in Gd³⁺, Yb³⁺and Tm³⁺ Co-dopedg Fluoride Nanocrystal

paper | 更新时间：2020-08-12

- Energy Transition Processes between Yb³⁺-Tm³⁺-Gd³⁺ in Gd³⁺, Yb³⁺and Tm³⁺ Co-dopedg Fluoride Nanocrystal
- Chinese Journal of Luminescence Vol. 32, Issue 11, Pages: 1093-1098(2011)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：02 June 2011，
  
  Revised：23 July 2011，
  
  Published Online：22 November 2011，
  
  Published：22 November 2011
- 稿件说明：
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张继森, 张立国, 任建岳, 段佩华, 吕少哲. Gd3+,Yb3+和Tm3+共掺杂氟化物纳米晶中Yb3+-Tm3+-Gd3+间的能量传递[J]. 发光学报, 2011,32(11): 1093-1098

ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LV Shao-zhe. Energy Transition Processes between Yb3+-Tm3+-Gd3+ in Gd3+, Yb3+and Tm3+ Co-dopedg Fluoride Nanocrystal[J]. Chinese Journal of Luminescence, 2011,32(11): 1093-1098
张继森, 张立国, 任建岳, 段佩华, 吕少哲. Gd3+,Yb3+和Tm3+共掺杂氟化物纳米晶中Yb3+-Tm3+-Gd3+间的能量传递[J]. 发光学报, 2011,32(11): 1093-1098 DOI：

ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue, DUAN Pei-hua, LV Shao-zhe. Energy Transition Processes between Yb3+-Tm3+-Gd3+ in Gd3+, Yb3+and Tm3+ Co-dopedg Fluoride Nanocrystal[J]. Chinese Journal of Luminescence, 2011,32(11): 1093-1098 DOI：

摘要

用水热法合成了Y

0.8-

x-y

∶Gd

0.2

纳米晶的上转换发光材料。在典型的Y

0.595

∶Gd

0.200

0.005

纳米微晶中

在980 nm激光激发下

观察到了Tm

的紫外、紫色上转换发射明显增强和来自于Gd

的

9/2

、

5/2

及

7/2

能级到基态

7/2

能级的紫外发射。通过比较Y

0.8-

x-y

∶Gd

0.2

纳米晶样品的上转换发光性质以及Tm

和Gd

中一些激发态的能级寿命

借助于能级图描述了Yb

-Tm

-Ga

之间的有效的能量传递过程。

Abstract

0.8-

x-y

∶Gd

0.2

nanocrystals were synthesized through a hydrothermal method. The upconversion(UC) emission properties under a 980 nm continuous wave semiconductor laser diode excitation were studied. The experimental results suggested that the violet and ultraviolet(UV) UC emission enhancement were observed in Y

0.595

∶Gd

0.200

0.005

nanocrystal

as well as the UC emissions of Gd

9/2

5/2

and

7/2

states to the ground state

7/2

were shown

too. The luminescent kinetic analysis implied that

under 980 nm excitation

can transfer energy to populate the

level of Tm

make UV

violet

and blue UC emissions obtained

further

the

multiplets of Gd

were populated through the energy transfer process

(Tm

7/2

(Gd

). At the same time

the energy transfer processes occurred between Gd

and Yb

or Tm

based on the energy matching conditions

leading to the above mentioned UV UC emissions of Gd

关键词

Keywords

references

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