Ho：YbGG Polycrystal Powder Synthesized by Low Temperature Combustion Method and Its Luminescent Characteristics

SUN Chao; ZHU Zhong-li; ZHANG Ying

doi:10.3788/fgxb20143509.1065

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Ho：YbGG Polycrystal Powder Synthesized by Low Temperature Combustion Method and Its Luminescent Characteristics

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- Ho：YbGG Polycrystal Powder Synthesized by Low Temperature Combustion Method and Its Luminescent Characteristics
- Chinese Journal of Luminescence Vol. 35, Issue 9, Pages: 1065-1070(2014)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 长春理工大学化学与环境工程学院,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143509.1065
  CLC： O482.31;O614.33
- Received：09 April 2014，
  
  Revised：29 May 2014，
  
  Published：03 September 2014
- 稿件说明：
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孙超, 朱忠丽, 张莹. 低温燃烧法制备的Ho：YbGG多晶粉体及其发光性能[J]. 发光学报, 2014,35(9): 1065-1070

SUN Chao, ZHU Zhong-li, ZHANG Ying. Ho：YbGG Polycrystal Powder Synthesized by Low Temperature Combustion Method and Its Luminescent Characteristics[J]. Chinese Journal of Luminescence, 2014,35(9): 1065-1070
孙超, 朱忠丽, 张莹. 低温燃烧法制备的Ho：YbGG多晶粉体及其发光性能[J]. 发光学报, 2014,35(9): 1065-1070 DOI： 10.3788/fgxb20143509.1065.

SUN Chao, ZHU Zhong-li, ZHANG Ying. Ho：YbGG Polycrystal Powder Synthesized by Low Temperature Combustion Method and Its Luminescent Characteristics[J]. Chinese Journal of Luminescence, 2014,35(9): 1065-1070 DOI： 10.3788/fgxb20143509.1065.

摘要

以柠檬酸为燃烧剂，掺杂摩尔分数为2%的Ho

，采用低温燃烧法制备Ho：YbGG多晶粉体。通过对样品的X射线衍射和扫描电镜分析，确定最佳煅烧温度为900 ℃。样品的吸收光谱在536 nm和645 nm处出现较强吸收峰，分别对应Ho

的

（

）和

能级跃迁；在940 nm和982 nm处出现强吸收谱带，对应于Yb

的

7/2

5/2

能级跃迁。样品的荧光光谱在1 989 nm处有强发射谱带，对应于Ho

的

能级跃迁。样品可以发出较强的上转换绿光和红光，分别对应于Ho

的

（

）

和

能级跃迁。对相应的上转换机制也进行了分析。

Abstract

Holmium doped ytterbium gallium garnet (Ho:YbGG) polycrystal powder was synthesized by low temperature combustion method using citric acid as combustion agent. The mole fraction of Ho

was 2%. The Ho:YbGG polycrystal powder was determined by X-ray diffraction analysis and SEM analysis. The results show that 900 ℃ is the optimum calcination temperature. The absorption spectrum of the sample shows that the absorption peaks of Ho

are centered at 536 nm and 645 nm

corresponding to

(

) and

level transitions

respectively. The strong absorption bands of Ho

are centered at 940 nm and 982 nm

corresponding to

5/2

7/2

level transition. The fluorescence spectra of the samples show that the strong emission band of Ho

is centered at 1 989 nm

corresponding to

level transition. The upconversion spectrum of the sample was tested and the corresponding conversion mechanism was analyzed. Ho:YbGG can emit strong green and red light under 980 nm LD excitation

which are corresponding to

(

)

and

level transitions of Ho

关键词

Keywords

references

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