Controllable Red,Green and Blue Upconversion Luminescence of α-TeO2:Tm3+,Ho3+,Yb3+ Nanoparticles

FANG Zeng-bin; TU Yang-mo; HU Hui; BAI Yan

doi:10.3788/fgxb20123310.1060

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Controllable Red,Green and Blue Upconversion Luminescence of α-TeO₂:Tm³⁺,Ho³⁺,Yb³⁺ Nanoparticles

更新时间：2020-08-12

- Controllable Red,Green and Blue Upconversion Luminescence of α-TeO₂:Tm³⁺,Ho³⁺,Yb³⁺ Nanoparticles
- Chinese Journal of Luminescence Vol. 33, Issue 10, Pages: 1060-1067(2012)
- 作者机构：
  
  暨南大学化学系,广东广州,510632
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123310.1060
  CLC： O482.31
- Received：25 June 2012，
  
  Revised：22 July 2012，
  
  Published：10 October 2012
- 稿件说明：
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方增滨, 涂阳墨, 胡辉, 白燕. α-TeO2:Tm3+,Ho3+,Yb3+纳米材料的红绿蓝色上转换发光[J]. 发光学报, 2012,(10): 1060-1067

FANG Zeng-bin, TU Yang-mo, HU Hui, BAI Yan. Controllable Red,Green and Blue Upconversion Luminescence of α-TeO2:Tm3+,Ho3+,Yb3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2012,(10): 1060-1067
方增滨, 涂阳墨, 胡辉, 白燕. α-TeO2:Tm3+,Ho3+,Yb3+纳米材料的红绿蓝色上转换发光[J]. 发光学报, 2012,(10): 1060-1067 DOI： 10.3788/fgxb20123310.1060.

FANG Zeng-bin, TU Yang-mo, HU Hui, BAI Yan. Controllable Red,Green and Blue Upconversion Luminescence of α-TeO2:Tm3+,Ho3+,Yb3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2012,(10): 1060-1067 DOI： 10.3788/fgxb20123310.1060.

摘要

利用简单的水热合成法成功制备出

-TeO

[DK]∶Ho

、

-TeO

[DK]∶Tm

和

-TeO

[DK]∶Tm

纳米材料

用 980 nm 的近红外光作为激发光源测定了样品的室温上转换发射光谱。结果表明:样品

-TeO

[DK]∶Ho

分别发射绿光(545 nm)和红光(651 nm)

分别对应于Ho

离子的

→

和

→

能级跃迁。随着Yb

的摩尔分数从5% 增加到15%

样品在545 nm处的绿光强度明显变大

发光颜色由黄光向绿光转变。样品

-TeO

[DK]∶ Tm

在476 nm处发射出蓝光

对应于Tm

离子的

→

能级跃迁

两个弱红光峰(651

675 nm)分别对应于Tm

离子的

→

和

→

能级跃迁。随着Yb

离子浓度的提高

蓝光与红光的相对强度也在显著提高。基于可调控性蓝光、绿光和红光的产生

-TeO

[DK]∶Tm

纳米材料能产生不同颜色的光

包括白光。

Abstract

-TeO

[DK]∶Ho

-TeO

[DK]∶Tm

and

-TeO

[DK]∶Tm

nanoparticles were prepared via a hydrothermal process.Under 980 nm excitation

-TeO

[DK]∶Ho

nanoparticles showed green (545 nm) and red (651 nm) emission

which were attributed to the

→

and

→

transitions

respectively.The upconversion emission color changed markedly from yellow to green when the mole fraction of Yb

ions changed from 5% to 15% due to the green emission at 545 nm increased.The

-TeO

[DK]∶Tm

sample showed blue emission at 476 nm

which was attributed to the

→

transition

and two weak red (651

675 nm) emissions

which were attributed to the

→

and

→

transitions

respectively.The relative intensity ratio of the blue emission to the red emissions increased gradually with increasing Yb

concentration.Based on the generation of blue

green and red emissions

the

-TeO

[DK]∶Tm

nanoparticles could compose different color

including white

by controlling the doping concentration of rare earths in the

-TeO

nanoparticles.

关键词

Keywords

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