Preparation and Properties of KLa(MoO4)2:Yb3+,Ho3+,Tm3+ White Phosphors

ZHANG Yu-hong; HE Hui-yu; LIU Hang; WU Fang; WANG Bo

doi:10.3788/fgxb20173811.1469

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Preparation and Properties of KLa(MoO₄)₂:Yb³⁺,Ho³⁺,Tm³⁺ White Phosphors

更新时间：2020-08-12

- Preparation and Properties of KLa(MoO₄)₂:Yb³⁺,Ho³⁺,Tm³⁺ White Phosphors
- Chinese Journal of Luminescence Vol. 38, Issue 11, Pages: 1469-1474(2017)
- 作者机构：
  
  吉林建筑大学电气与计算机学院,吉林长春,130118
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20173811.1469
  CLC： O482.31
- Received：02 May 2017，
  
  Revised：02 June 2017，
  
  Published Online：04 June 2013，
  
  Published：05 November 2017
- 稿件说明：
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张玉红, 何蕙羽, 刘航等. KLa(MoO4)2∶Yb3+,Ho3+,Tm3+白光荧光粉的制备及性能研究[J]. 发光学报, 2017,38(11): 1469-1474

ZHANG Yu-hong, HE Hui-yu, LIU Hang etc. Preparation and Properties of KLa(MoO4)2:Yb3+,Ho3+,Tm3+ White Phosphors[J]. Chinese Journal of Luminescence, 2017,38(11): 1469-1474
张玉红, 何蕙羽, 刘航等. KLa(MoO4)2∶Yb3+,Ho3+,Tm3+白光荧光粉的制备及性能研究[J]. 发光学报, 2017,38(11): 1469-1474 DOI： 10.3788/fgxb20173811.1469.

ZHANG Yu-hong, HE Hui-yu, LIU Hang etc. Preparation and Properties of KLa(MoO4)2:Yb3+,Ho3+,Tm3+ White Phosphors[J]. Chinese Journal of Luminescence, 2017,38(11): 1469-1474 DOI： 10.3788/fgxb20173811.1469.

摘要

采用水热法成功制备了Yb

，Ho

，Tm

三掺的多晶KLa （MoO

）

荧光粉。在980 nm激光激发下，KLa （MoO

）

∶Yb

，Ho

，Tm

发出裸眼可见的明亮白光，这其中包括Tm

离子发出的蓝光（~475 nm）、Ho

离子发出的绿光（~540 nm）和红光（~651 nm）。根据色度坐标系计算得出的坐标点可以看出，随着Ho

/Tm

掺杂浓度之比的增加，KLa （MoO

）

∶Yb

，Ho

，Tm

所发出的白光呈现从冷白光到暖白光的变化。最后详细讨论了KLa （MoO

）

∶Yb

，Ho

，Tm

荧光粉可能的发光机制。

Abstract

The polycrystalline KLa(MoO

)

:Yb

phosphors were synthesized by the simple hydrothermal method. Under the excitation of 980 nm laser

KLa(MoO

)

:Yb

phosphors show bright white upconversion emission visible to the naked eyes

which composes of blue emission at~475 nm from Tm

green and red emission at~540 nm and~651 nm from Ho

. The experiment results show that the coordinates of KLa(MoO

)

:Yb

in the commission international CIE chromaticity diagram can be controlled from cool to warm white color depending on the rate of Ho

/Tm

concentrations.

关键词

Keywords

references

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