Synthesis of Silica@α-Fe2O3 nanospheres by surface-initiated ATRP

被引：5
作者：
An, Lijuan [1 ]
Fan, Shuli [2 ]
Zhou, Chen [1 ]
机构：
[1] Tianjin Univ Sci & Technol, Coll Sci, Tianjin 300222, Peoples R China
[2] Tianjin Univ Sci & Technol, Lab Ctr, Tianjin 300222, Peoples R China
来源：
EUROPEAN POLYMER JOURNAL | 2008年 / 44卷 / 07期
关键词：
ATRP; SiO2; alpha-Fe2O3; core-shell;
D O I：
10.1016/j.eurpolymj.2008.04.044
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We reported a new method to prepare Silica@alpha-Fe2O3 nanospheres by surface-initiated atom transfer radical polymerization (ATRP). Firstly, polymerizable surfactants-modified alpha-Fe2O3 nanoparticles were prepared in water-toluene microemulsion. Then, as-synthesized alpha-Fe2O3 nanoparticles acted as the macro-monomer of surface-initiated ATRP on silica nanospheres to make target product. Morphological characterization of the product was performed using transmission electron microscopy (TEM). Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS) and diffuse reflectance UV-vis spectroscopy were used to verify the incorporation of alpha-Fe2O3 nanoparticles on silica nanosphere. (C) 2008 Published by Elsevier Ltd.
引用
收藏
页码：2005 / 2009
页数：5
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