Preparation and Luminescence Properties of NaYF4：Yb3+, Er3+ Powder by Microemulsion Method

ZHANG Bo; ZHANG Xi-yan; DONG Wei-li; SHI Hui; GUAN Mao-sheng

doi:10.3788/fgxb20143504.0431

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Preparation and Luminescence Properties of NaYF₄：Yb³⁺, Er³⁺ Powder by Microemulsion Method

更新时间：2020-08-12

- Preparation and Luminescence Properties of NaYF₄：Yb³⁺, Er³⁺ Powder by Microemulsion Method
- Chinese Journal of Luminescence Vol. 35, Issue 4, Pages: 431-436(2014)
- 作者机构：
  
  长春理工大学材料科学与工程学院,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143504.0431
  CLC： O482.31
- Received：20 October 2013，
  
  Revised：07 February 2014，
  
  Published：03 April 2014
- 稿件说明：
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张博, 张希艳, 董玮利等. 微乳液法制备NaYF4：Yb3+, Er3+粉体及其发光性能[J]. 发光学报, 2014,35(4): 431-436

ZHANG Bo, ZHANG Xi-yan, DONG Wei-li etc. Preparation and Luminescence Properties of NaYF4：Yb3+, Er3+ Powder by Microemulsion Method[J]. Chinese Journal of Luminescence, 2014,35(4): 431-436
张博, 张希艳, 董玮利等. 微乳液法制备NaYF4：Yb3+, Er3+粉体及其发光性能[J]. 发光学报, 2014,35(4): 431-436 DOI： 10.3788/fgxb20143504.0431.

ZHANG Bo, ZHANG Xi-yan, DONG Wei-li etc. Preparation and Luminescence Properties of NaYF4：Yb3+, Er3+ Powder by Microemulsion Method[J]. Chinese Journal of Luminescence, 2014,35(4): 431-436 DOI： 10.3788/fgxb20143504.0431.

摘要

采用微乳液法制备了纯相立方和六方晶相NaYF

：Yb

，Er

发光材料，微乳液体系选择了CTAB（十六烷基三甲基溴化铵）-正丁醇-正辛烷-水。研究了NaF/Y

比例、反应温度、反应时间和体系pH值等对相形成的影响，以及陈化、后续热处理温度和时间对颗粒尺寸和发光性能的影响。结果表明：在NaF/Y

比例小于5、体系pH=5~6、反应温度为140 ℃、反应时间为24 h的条件下，可得到立方相-NaYF

：Yb

，Er

，粒径约为200 nm；在NaF/Y

比例大于5、体系pH=1~4、反应温度为160 ℃、反应时间为60 h以上的条件下，可得到六方相-NaYF

：Yb

，Er

，粒径约为1 m。样品在980 nm激光激发下，在521，529，541，549 nm 处有发光峰，最强发光峰为541 nm，表现为明亮的绿色。

Abstract

Ytterbium(Ⅲ)

erbium(Ⅲ) co-doped sodium yttrium fluoride (NaYF

:Yb

) powder were prepared by microemulsion method. CTAB(Cetyltrimethyl ammonium bromide)

n-butyl alcohol

n-octane and water were selected as the microemulsion system. The influence of NaF/Y

ratio

reaction temperature

reaction time

pH value

aging time

and heat treatment on phase formation

luminous efficiency and the particle size were studied. The results indicate that -NaYF

:Yb

samples can be obtained at 140 ℃ for 24 h with the optimal pH=5~6

and -NaYF

:Yb

samples can be obtained at 160 ℃ for 60 h with the optimal pH=1~4. The particle sizes of -NaYF

:Yb

and -NaYF

:Yb

are 200 nm and 1 m

respectively. Excited by 980 nm LD

the samples emit bright green light peaking at 521

529

541

549 nm

and 541 nm is the strongest.

关键词

Keywords

references

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