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| In-situ synthesis and luminescence properties of titanium oxide gels containing 1,10-phenanthroline europium(III) complex* |
| XIE Fei, YANG Hui, XU Cun-jin, ZHANG Xi-he |
| Institute of Inorganic Nonmetal Materials, School of Materials Science and Chemical Engineering, Zhejiang University, Hangzhou 310027, China; Department of Chemistry, Hangzhou Teachers College, Hangzhou 310012, China |
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Abstract It is difficult to directly dope europium complexes in gel because the excessive water or high acidic condition may lead to their decomposition. We prepared a novel homogeneous TiO2 gel containing Eu-phen complexes by using an in-situ synthesis method. The formation of Eu-phen complexes in sol-gel derived TiO2 was confirmed by luminescence excitation spectra. The effects of temperature and aging time on in-situ synthesis are discussed. The luminescence spectra of gel containing europium complexes were also compared with the pure Eu-phen complexes.
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Received: 23 January 2005
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