Up-conversion and Paramagnetism of NaGdF4:Tm3+,Yb3+ Synthesized by Ball Milling Method

GAO Hong-jian; LIU Jing; LIU Zhong-xin

doi:10.3788/fgxb20143511.1336

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Up-conversion and Paramagnetism of NaGdF₄:Tm³⁺,Yb³⁺ Synthesized by Ball Milling Method

更新时间：2020-08-12

- Up-conversion and Paramagnetism of NaGdF₄:Tm³⁺,Yb³⁺ Synthesized by Ball Milling Method
- Chinese Journal of Luminescence Vol. 35, Issue 11, Pages: 1336-1341(2014)
- 作者机构：
  
  海南大学热带岛屿资源先进材料教育部重点实验室,海南海口,570228
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143511.1336
  CLC： O482.31
- Received：23 August 2014，
  
  Revised：15 September 2014，
  
  Published：03 November 2014
- 稿件说明：
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高鸿健, 刘婧, 刘钟馨. 球磨法制备Tm3+/Yb3+掺杂NaGdF4 的上转换发光及顺磁性质研究[J]. 发光学报, 2014,35(11): 1336-1341

GAO Hong-jian, LIU Jing, LIU Zhong-xin. Up-conversion and Paramagnetism of NaGdF4:Tm3+,Yb3+ Synthesized by Ball Milling Method[J]. Chinese Journal of Luminescence, 2014,35(11): 1336-1341
高鸿健, 刘婧, 刘钟馨. 球磨法制备Tm3+/Yb3+掺杂NaGdF4 的上转换发光及顺磁性质研究[J]. 发光学报, 2014,35(11): 1336-1341 DOI： 10.3788/fgxb20143511.1336.

GAO Hong-jian, LIU Jing, LIU Zhong-xin. Up-conversion and Paramagnetism of NaGdF4:Tm3+,Yb3+ Synthesized by Ball Milling Method[J]. Chinese Journal of Luminescence, 2014,35(11): 1336-1341 DOI： 10.3788/fgxb20143511.1336.

摘要

利用球磨法制备了Na源及其比例不同的Tm

/Yb

掺杂的NaGdF

发光粉

并对部分样品高温处理。讨论了Na源及其比例的不同和高温对样品上转换发光的影响。结果表明在所选比例中

当各离子的量比

(

(Na):

(F)=1:1:4时

样品在高温处理前后的上转换发光均为最强。高温处理改变了上转换荧光发射的比例

可见光区的发射强度有大幅增加。 XRD测试结果表明

和Yb

掺入到了NaGdF

的晶格内

高温处理改变了部分样品的结晶度和相态

从而导致可见光的发射强度大幅增加。HRTEM图像显示样品中有相与相NaGdF

共存。对上转换发光和顺磁性质之间相互影响的研究结果表明

980 nm红外激光的激发对样品的顺磁性基本没有影响

而变化磁场的存在对上转换发光有负面的影响。

Abstract

/Yb

doped NaGdF

luminescent powder with different Na sources and ion ratios were synthesized by ball milling method

and part of samples were treated under high temperature. In all selected molar ratios of the ions

(

(Na):

(F)=1:1:4 is the best. The up-conversion luminescence of the samples with this ratio is the strongest before and after high temperature treatment. After high temperature treatment

the intensity of visible light emission increases significantly. XRD results show that Tm

and Yb

have doped in the lattices of NaGdF

. After high temperature treatment

part of -phase and amorphous phase turn to -phase

which results in the crystallinity improving. HRTEM image also shows that - and -phase coexist in the sample. The excitation of 980 nm laser hardly has effect on the paramagnetism of the samples

but the changing magnetic field has negative effect on the up-conversion luminescence of the samples.

关键词

Keywords

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