光谱学与光谱分析 |
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Spectrum and Synthesis of Rare Earth Activated Nanoparticle |
CHANG Jian-jun1, HUANG Shi-hua1,PENG Hong-shang1, MENG Chun-xia1, YOU Fang-tian1, Lü Shao-zhe2, SUN Ling-dong3 |
1. Institute of Optoelectronics and Technology, Beijing Jiaotong University, Key Laboratory of Luminescence and Optical Information Ministry of Education,Beijing 100044, China 2. Key Laboratory of Excited State Processes, Chinese Academy of Sciences, Changchun 130021, China 3. The State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University, Beijing 100871, China |
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Abstract La2O3: Eu3+ nanoparticles were prepared by Gly assistant combustion synthesis with the sizes from 12-28 nm,and a characterization of XRD was done. Spectral properties of the nanoparticles were compared with the bulk. High resolution spectra were measured. Site selective excitation was employed to probe the local environments of Eu3+ ions in La2O3 nanoparticles. The luminescent centers on the surface and the center of the nanoparticles were excited respectively. The spectra were related to surface information. The luminescence from C3v site and the site with lower symmetry on the surface was distinguished.
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Received: 2004-12-08
Accepted: 2005-04-24
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Corresponding Authors:
CHANG Jian-jun
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Cite this article: |
CHANG Jian-jun,HUANG Shi-hua,PENG Hong-shang, et al. Spectrum and Synthesis of Rare Earth Activated Nanoparticle[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(02): 231-234.
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URL: |
https://www.gpxygpfx.com/EN/Y2006/V26/I02/231 |
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