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运用多元醇还原法制备纳米银线(Ag NW);利用正硅酸乙酯(TEOS)水解产生的二氧化硅(Si O_2)与Ag NW之间的静电作用制备壳-核结构材料AgNW@SiO_2;再以氧化铕、α-噻吩甲酰三氟丙酮(TTA)、邻菲罗啉(Phen)为原料通过间接包覆方式包覆稀土络合物Eu(TTA)_3Phen(简称Eu TP),并将其与聚丙烯(PP)熔融共混以制备杂化材料Ag NW@Si O_2@Eu TP/PP。采用透射电子显微镜、暗箱式紫外分析仪、紫外光谱分析、荧光光谱分析对样品进行光学性能表征。通过荧光发射光谱分析发现Ag NW@Si O_2@Eu TP这种壳-核材料有增强络合物荧光团Eu TP发光的特性,发光强度增强将近7倍。Ag NW@Si O_2@Eu TP/PP杂化材料圆片状薄膜试样具有荧光发光效应。
The silver nanoparticles (Ag NW) were prepared by polyol reduction method. The shell-core structure AgNW @ SiO 2 was prepared by the electrostatic interaction between silicon dioxide (SiO 2) and Ag NW generated from the hydrolysis of tetraethoxysilane (TEOS) Eu (TTA) _3Phen (EuTP) was coated by indirect coating with europium oxide, α-thienoyl trifluoroacetone (TTA) and phenanthroline This was melt-blended with polypropylene (PP) to prepare hybrid material Ag NW @ Si O_2 @ Eu TP / PP. The optical properties of the samples were characterized by transmission electron microscopy, dark box UV analyzer, UV spectroscopy and fluorescence spectroscopy. The fluorescence spectra of Ag NW @ Si O_2 @ Eu TP show that the shell-core material has the property of enhancing luminescence of the complex fluorophore Eu TP, and the luminescence intensity is enhanced nearly 7 times. The Ag NW @ Si O_2 @ Eu TP / PP hybrid material wafer-like thin film samples have fluorescence luminescence effects.