| 光谱学与光谱分析 |
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| Tm3+ Concentration Dependence of Upconversion Intensity of YLiF4：Er3+,Tm3+,Yb3+ |
| ZHAO Su-ling,HOU Yan-bing,XU Zheng,PEI Xiao-jiang |
| Institute of Optoelectronics Technology, Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University, Beijing 100044, China |
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Abstract A series of YLiF4：Er3+,Tm3+,Yb3+ samples were synthesized by hydrothermal method. The concentrations of Er3+ and Yb3+ were 1 mol% and 1.5 mol%, respectively. Tm3+ concentration changed from 2 to 8 mol%. The absorption of Er3+,Tm3+ and Yb3+ were observed, and the absorption of Tm3+ increased along with the increase in Tm3+ concentration. The color of upconversion luminescence of YLiF4：Er3+,Tm3+ and Yb3+ excited by 980 nm was white when Tm3+ concentration was low. The blue light resulted from the transition of 1G4→3H6 of Tm3+,the green light from the transition of 4S3/2 (2H11/2)→4I15/2 of Er3+,and the red light from the transitions 1G4→3F4 of Tm3+ and 4F9/2→4I15/2 of Er3+. All the upconversion intensities decreased when Tm3+ concentration increased, but the relative intensity decrease was different due to the interaction between Er3+ and Tm3+.
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Received: 2006-02-08
Accepted: 2006-05-18
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Corresponding Authors:
ZHAO Su-ling
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| Cite this article: |
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ZHAO Su-ling,HOU Yan-bing,XU Zheng, et al. Tm3+ Concentration Dependence of Upconversion Intensity of YLiF4：Er3+,Tm3+,Yb3+ [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(04): 597-600.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I04/597 |
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