| 光谱学与光谱分析 |
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| Photoluminescence Properties of Europium-Terbium-Gadolinium-Hexafluoroacetylacetone Ternary Complexes Synthesized in-situ in Gel Glass |
| HU Quan2,SHENG Xia1,LIU Si-qian1,ZHANG Yan1,QIAN Guo-dong1* |
1. Department of Materials Science and Engineering,State Key Lab of Silica Materials,Zhejiang University,Hangzhou 310027,China
2. Basic Medicine Devision,Hangzhou Normal University,Hangzhou 310018,China |
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Abstract The luminescence property of the inorganic glass doped with rare earth complex has aroused a wide range of attention for a variety of technological applications such as optical devices,biomedicine,etc. In the present work,the ternary complexes of europium-terbium-gadolinium with hexafluoroacetylacetone (HFA) and triphenylphoshine oxide (TPPO),Eu1/2-xTb1/2-xGd2x(HFA)3(TPPO)2 (x=0 or 1/18),were synthesized in-situ in gel glasses to obtain transparent materials. The photoluminescence (PL) spectra were measured and the characteristic transitions of Eu3+ and Tb3+ observed. Due to the phonon assisted energy transfer between Gd3+ (bonding ligands),Tb3+ and Eu3+,the intensity ratios of europium luminescence band to terbium band vary remarkably with the measurement temperatures. In addition,the Frster mechanism has proven responsible for the energy transfer between Eu3+ and Tb3+. The complex-doped gel glass whose luminescence color changes with temperatures is promising for being used as temperature detector,biological probe and thermal-sensitive probe of optical fiber sensor.
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Received: 2006-08-02
Accepted: 2006-11-03
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Corresponding Authors:
QIAN Guo-dong
E-mail: gdqian@zju.edu.cn
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| Cite this article: |
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HU Quan,SHENG Xia,LIU Si-qian, et al. Photoluminescence Properties of Europium-Terbium-Gadolinium-Hexafluoroacetylacetone Ternary Complexes Synthesized in-situ in Gel Glass [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(08): 1480-1483.
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https://www.gpxygpfx.com/EN/Y2007/V27/I08/1480 |
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