| 光谱学与光谱分析 |
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| Rheological Phase Synthesis and Characterization of Lanthanum Salicylate and Luminescence Properties of Tb3+-Doped Lanthanum Salicylate |
| LI Liang-chao1，LI Zi-cheng2，YUAN Liang-jie2，ZHANG Ke-li2，SUN Ju-tang2 |
1. Department of Chemistry, Insititute of Physical Chemistry, Zhejiang Normal University, Jinhua 321000，China
2. Department of Chemistry, Wuhan University, Wuhan 430072，China |
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Abstract Lanthanum salicylate and Tb3+-doped lanthanum salicylate were synthesized with the rheological phase reaction method. Elemental analysis, IR, TG, DTA and powder X-ray diffraction were investigated to determine the composition, crystal structure and coordination manner between the COO- and ion La3+ of lanthanum salicylate. The emission and excitation spectra of Tb3+-doped lanthanum salicylate were also discussed. Powder X-ray diffraction suggests that the compound has a layered monoclinic structure, and the lattice parameters are a=21.601 0 , b=13.801 5 (A), c=3.810 3 (A), β=97.11°, V=1 127.2 (A)3, Z=2, ρcal=1.621 g·cm-3 and ρexp=1.653 g·cm-3. The Tb3+-doped lanthanum salicylate exhibits very strong green luminescence of Tb3+ under the excitation of UV light. And the transition from 5D4 to 7F5 is the strongest one.
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Received: 2002-10-22
Accepted: 2003-03-26
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Corresponding Authors:
LI Liang-chao
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| Cite this article: |
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LI Liang-chao,LI Zi-cheng,YUAN Liang-jie, et al. Rheological Phase Synthesis and Characterization of Lanthanum Salicylate and Luminescence Properties of Tb3+-Doped Lanthanum Salicylate [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(02): 142-144.
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http://www.gpxygpfx.com/EN/Y2004/V24/I02/142 |
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