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机构地区:[1]吉林大学超分子结构与材料教育部重点实验室,吉林大学化学学院长春130023
出 处:《高等学校化学学报》2003年第5期940-942,共3页Chemical Journal of Chinese Universities
基 金:国家重点基础研究专项经费(批准号:2002CB613401);教育部博士学科点基金资助
摘 要:稀土元素因其独特的电子结构而具有光、电、磁、激光等特性[1,2], 被誉为新材料的宝库, 尤其是稀土配合物具有的Antenna效应, 使发光强度明显增强[3]. 含稀土的高分子材料既具有稀土离子的发光性能, 又具有高分子材料质量轻、抗冲击力强和易加工成型等优点, 从而引起广泛的关注[4,5].Transparent resins containing lanthanide complexes should possess the optical, electrical, magnetic and laser properties of the lanthanide ion, and also should possess the good properties of polymer such as lightness, good processability, dyeability, high transparency and impact resistance. The composite resin containing ten kinds of lanthanide terbium complexes were obtained by in situ composite method, in which the lanthanide complexes were synthesized in the polymerization process. The relationship between the fluorescence property of the composite resin and the kinds of organic ligands, inertia yttrium ( Ⅲ ), the relatively molar ratio of organic ligands to lanthanide ion in copolymerization system were investigated. The results indicated that the composite resin by in situ method showed stronger emission intensities and longer lifetime than the composite resin by mixing the lanthanide complexes with copolymerization system straight.
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