Influence of Gd3+ Doping on The Luminescence Properties of Upconverting NaErF4: Yb Nanocrystals

XIE Wan-ying; AN Xi-tao; JIU Jun-xia; LI Jing; LENG Jing; CHEN Li

doi:10.3788/fgxb20173803.0281

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Influence of Gd³⁺ Doping on The Luminescence Properties of Upconverting NaErF₄: Yb Nanocrystals

更新时间：2020-08-12

- Influence of Gd³⁺ Doping on The Luminescence Properties of Upconverting NaErF₄: Yb Nanocrystals
- Chinese Journal of Luminescence Vol. 38, Issue 3, Pages: 281-287(2017)
- 作者机构：
  
  1. 长春工业大学化学工程学院, 吉林长春 130012
  2. 长春工业大学材料科学高等研究院, 吉林长春 130012
  3. 长春工业大学化学与生命科学学院, 吉林长春 130012
  4. 长春工业大学基础科学学院, 吉林长春 130012
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(11474035,11504029);2015
- DOI：10.3788/fgxb20173803.0281
  CLC： O482.31
- Received：03 September 2016，
  
  Revised：09 October 2016，
  
  Published：05 March 2017
- 稿件说明：
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谢婉莹, 安西涛, 酒俊霞等. Gd3+掺杂浓度对NaErF4:Yb纳米晶上转换荧光性能的影响[J]. 发光学报, 2017,38(3): 281-287

XIE Wan-ying, AN Xi-tao, JIU Jun-xia etc. Influence of Gd3+ Doping on The Luminescence Properties of Upconverting NaErF4: Yb Nanocrystals[J]. Chinese Journal of Luminescence, 2017,38(3): 281-287
谢婉莹, 安西涛, 酒俊霞等. Gd3+掺杂浓度对NaErF4:Yb纳米晶上转换荧光性能的影响[J]. 发光学报, 2017,38(3): 281-287 DOI： 10.3788/fgxb20173803.0281.

XIE Wan-ying, AN Xi-tao, JIU Jun-xia etc. Influence of Gd3+ Doping on The Luminescence Properties of Upconverting NaErF4: Yb Nanocrystals[J]. Chinese Journal of Luminescence, 2017,38(3): 281-287 DOI： 10.3788/fgxb20173803.0281.

摘要

采用温和的溶剂热法制备较强红光发射的NaErF

：Yb，Gd上转换纳米晶，控制Gd

的掺杂浓度实现了晶相和尺寸可控以及上转换荧光的增强。X射线衍射谱（XRD）、透射电子显微镜图像（TEM）和上转换发射光谱结果分析表明，Gd

掺杂可以有效地促进NaErF

纳米晶的晶相由立方相向六角相转变，并且减小纳米粒子的尺寸。随着Gd

掺杂浓度的上升，上转换荧光强度明显增大。当Gd

摩尔分数为25%时，样品的上转换荧光强度达到最大。同时，研究了在980 nm近红外激光激发下，Yb

与Er

间有效的能量传递以及上转换发光机制。

Abstract

Upconversion NaErF

:Yb

Gd nanocrystals with bright red emissions were prepared

via

a facile solvothermal method. The crystalline phase

size and the relative intensity of upconversion luminescence can be simultaneously manipulated by adjusting Gd

ions contents. The introduction of Gd

can effectively promote the cubic to hexagonal phase transformation

size reduction and obviously upconversion luminescence (UCL) intensity improvement of NaErF

:Yb

Gd nanocrystals. XRD

TEM and UCL spectra results reveal that the sample co-doped with 25% Gd

ions (mole fraction) of NaErF

:Yb system exhibits the optimized structural and optical properties. Meanwhile

the mechanism involving upconverting photon excitation and energy transfer between Yb

ions and Er

ions were investigated under the excitation of 980 nm diode laser.

关键词

Keywords

references

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