Photoluminescence Properties and Color Tunable of NaTaOGeO4: Tb3+ Co-doped with Mn2+ Ion

YU Pan-long; TIAN Lian-hua

doi:10.3788/fgxb20183909.1200

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Photoluminescence Properties and Color Tunable of NaTaOGeO₄: Tb³⁺ Co-doped with Mn²⁺ Ion

更新时间：2020-08-12

- Photoluminescence Properties and Color Tunable of NaTaOGeO₄: Tb³⁺ Co-doped with Mn²⁺ Ion
- Chinese Journal of Luminescence Vol. 39, Issue 9, Pages: 1200-1206(2018)
- 作者机构：
  
  延边大学理学院物理系, 吉林延吉,133002
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20183909.1200
  CLC： O482.31
- Received：22 January 2018，
  
  Revised：20 April 2018，
  
  Published Online：03 May 2018，
  
  Published：05 September 2018
- 稿件说明：
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于潘龙, 田莲花,. Mn2+离子掺杂的NaTaOGeO4:Tb3+的发光性能[J]. 发光学报, 2018,39(9): 1200-1206

YU Pan-long, TIAN Lian-hua,. Photoluminescence Properties and Color Tunable of NaTaOGeO4: Tb3+ Co-doped with Mn2+ Ion[J]. Chinese Journal of Luminescence, 2018,39(9): 1200-1206
于潘龙, 田莲花,. Mn2+离子掺杂的NaTaOGeO4:Tb3+的发光性能[J]. 发光学报, 2018,39(9): 1200-1206 DOI： 10.3788/fgxb20183909.1200.

YU Pan-long, TIAN Lian-hua,. Photoluminescence Properties and Color Tunable of NaTaOGeO4: Tb3+ Co-doped with Mn2+ Ion[J]. Chinese Journal of Luminescence, 2018,39(9): 1200-1206 DOI： 10.3788/fgxb20183909.1200.

摘要

采用高温固相法制备了颜色可调的NaTaOGeO

∶Tb

，Mn

荧光粉，并研究了其发光特性以及能量传递机理。在244 nm激发下，NaTaOGeO

∶Tb

的发射光谱的发射峰分别位于380，413，436，492，544 nm，分别属于Tb

的

和

（

=6，5，4）能级跃迁，为蓝光和绿光发射。在280 nm波长激发下，在492 nm和544 nm处有较强的发射峰，分别属于Tb

的

、

能级跃迁，为绿光发射。在248 nm波长激发下，NaTaOGeO

∶Mn

的发射光谱由位于576 nm处的宽带组成，属于Mn

的

能级跃迁。当在NaTaOGeO

∶Tb

荧光粉中共掺杂Mn

时，可以同时观察到Mn

和Tb

的发射峰，通过改变浓度掺杂比，可以得到颜色可调控的荧光粉。

Abstract

The photoluminescence properties and energy transfer mechanism of a color tunable phosphor NaTaOGeO

:Tb

were investigated in this paper. NaTaOGeO

:Tb

powder was synthesized successfully by solid state reaction method. The phase purity was checked using X-ray powder diffractometry(XRD). The excitation and emission spectra were recorded to elucidate the photoluminescence properties of NaTaOGeO

:Tb

. Furthermore

the fluorescence lifetime measurements were performed. The emission spectrum of NaTaOGeO

:Tb

excited by 244 nm shows blue emissions at 380

413

436

492

544 nm

which are attributed to

and

(

4) transition of Tb

respectively. The emission spectrum of NaTaOGeO

:Tb

excited by 277 nm shows green emissions at 492 nm and 544 nm

which are attributed to

and

transition of Tb

. The emission spectrum of NaTaOGeO

:Mn

shows orange-red emissions at 576 nm

owing to

transition of Mn

. With varying the ratio of the concentration of Mn

and Tb

a color tunable phosphor NaTaOGeO

:Tb

can be obtained.

关键词

Keywords

references

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