| 光谱学与光谱分析 |
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| Spectral Analysis and Photoluminescence Properties of Eu-Tb Codoped Polymer |
| LI Jie1,XU Bing-she2,LI Ying-chun1,XIE Jiang-bo1 |
1. College of Materials Science and Engineering，North University of China, Taiyuan 030051, China
2. Key Laboratory of Interface Science and Engineering in Advanced Materials of TYUT, Ministry of Education, College of Materials Science and Engineering of Taiyuan University of Technology, Taiyuan 030024, China |
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Abstract In the present paper, Eu0.5Tb0.5(TTA)3Phen was synthesized and Eu0.5Tb0.5(TTA)3Phen/PMMA was prepared by in-situ polymerization. The structure of Eu0.5Tb0.5(TTA)3Phen/PMMA was characterized by FTIR spectra. Microscopic morphology and photoluminescence properties were investigated by SEM photographs and fluorescence spectra. The results indicated that polymer parts were attached with the rare-earth molecular parts in the composite luminescent materials.And Eu0.5Tb0.5(TTA)3Phen/PMMA could emit mostly characteristic fluorescence of europium ion and intense red fluorescence with a peak wavelength at 611.8 nm and a bandwidth of 10.4 nm(Purity: 0.990 5) under UV excitation at 365 nm. Its fluorescence intensity was found to be influenced with the content of MMA. It was demonstrated that Eu0.5Tb0.5(TTA)3Phen/PMMA was an excellent red photoluminescent rare-earth polymer material.
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Received: 2008-01-13
Accepted: 2008-04-16
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Corresponding Authors:
LI Jie
E-mail: ajiestar@tom.com
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