Sonochemical synthesis of CoFe2O4 nanoparticles and their application in magnetic polystyrene nanocomposites

被引：54
作者：
Saffari, Jilla [1 ]
Ghanbari, Davood [2 ]
Mir, Noshin [3 ]
Khandan-Barani, Khatereh [1 ]
机构：
[1] Islamic Azad Univ, Zahedan Branch, Dept Chem, Zahedan, Iran
[2] Islamic Azad Univ, Arak Branch, Young Researchers & Elite Club, Arak, Iran
[3] Univ Zabol, Dept Chem, Zabol, Iran
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 06期
关键词：
PS; CoFe2O4; Sonochemical method; Nanocomposite; BARIUM FERRITE; FE3O4; PARTICLES;
D O I：
10.1016/j.jiec.2014.01.010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
CoFe2O4 (CoFe) nanoparticles were synthesized via a facile surfactant-free sonochemical reaction. For preparation of magnetic polymeric films, CoFe2O4 nanoparticles were added to polystyrene (PS). Nanoparticles were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Magnetic properties of the samples were investigated using an alternating gradient force magnetometer (AGFM). CoFe2O4 nanoparticles exhibit a ferromagnetic behaviour with a saturation magnetization of 62 emu/g and a coercivity of 640 Oe at room temperature. By preparing magnetic films the coercivity is increased. The coercivity of PS/CoFe2O4 (10%) nanocomposites is higher than that obtained for PS/CoFe2O4 (30%). (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：4119 / 4123
页数：5
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