Properties of Up-conversion Emission of Er3+/Yb3+ Co-doped Oxyfluoride Glass

XIAO Sheng-chun; ZHENG Tao; SANG Qi; LV Jing-wen

doi:10.3788/fgxb20123303.0275

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Properties of Up-conversion Emission of Er³⁺/Yb³⁺ Co-doped Oxyfluoride Glass

paper | 更新时间：2020-08-12

- Properties of Up-conversion Emission of Er³⁺/Yb³⁺ Co-doped Oxyfluoride Glass
- Chinese Journal of Luminescence Vol. 33, Issue 3, Pages: 275-279(2012)
- 作者机构：
  
  长春理工大学,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123303.0275
  CLC： O482.31
- Received：17 November 2011，
  
  Revised：15 December 2011，
  
  Published Online：10 March 2012，
  
  Published：10 March 2012
- 稿件说明：
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肖生春, 郑涛, 桑琦, 吕景文. 掺Er3+/Yb3+氟氧玻璃的上转换发光特性[J]. 发光学报, 2012,33(3): 275-279

XIAO Sheng-chun, ZHENG Tao, SANG Qi, LV Jing-wen. Properties of Up-conversion Emission of Er3+/Yb3+ Co-doped Oxyfluoride Glass[J]. Chinese Journal of Luminescence, 2012,33(3): 275-279
肖生春, 郑涛, 桑琦, 吕景文. 掺Er3+/Yb3+氟氧玻璃的上转换发光特性[J]. 发光学报, 2012,33(3): 275-279 DOI： 10.3788/fgxb20123303.0275.

XIAO Sheng-chun, ZHENG Tao, SANG Qi, LV Jing-wen. Properties of Up-conversion Emission of Er3+/Yb3+ Co-doped Oxyfluoride Glass[J]. Chinese Journal of Luminescence, 2012,33(3): 275-279 DOI： 10.3788/fgxb20123303.0275.

摘要

制备了新的Er

/Yb

共掺氟氧硅酸盐微晶玻璃

测试了材料的荧光光谱和吸收光谱。上转换光谱表明:有红(645 nm)、绿(545

522 nm)、蓝(480 nm)4个发光中心

分别对应Er

的

9/2

15/2

、

3/2

15/2

、

11/2

15/2

、

7/2

15/2

跃迁。发光曲线拟合斜率分别为1.81、2.39、1.95、2.15

均为双光子吸收过程。样品经热处理降低了声子能量

大大提高了上转换效率。采用Judd-Ofelt理论对样品光谱进行了分析

拟合得到了强度参数。

Abstract

The Er

/Yb

co-doped oxyfluoride silicate glass ceramics were prepared. The fluorescence spectrum and absorption spectrum were characterized. The up conversion spectrum showed that there were four luminescence centres at red(645 nm)

green(545

522 nm) and blue(480 nm)

corresponding to the

9/2

15/2

3/2

15/2

11/2

15/2

7/2

15/2

transitions of Er

. The slope of fitted lines was 1.81

2.39

1.95

2.15

respectively

which indicated a two-photon absorption process. The results showed that the samples lowered phonon energy and greatly improved the up-conversion efficiency by heat treatment. Judd-Ofelt theory was employed and the intensity parameters were obtained.

关键词

Keywords

references

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