Preparation and characterization of the conductive Co(1-x)NixFe2O4/polypyrrole microsphere composites

摘要：

Co(1-x)NixFe2O4 nanoparticles were synthesized by a sol—gel method and then the core-shell structure Co(1-x)NixFe2O4/polypyrrole nanocomposites, where the core was Co(1-x)NixFe2O4 and the shell was polypyrrole,were prepared by a situ polymerization.Phase composition,microstructure and magnetic properties of the samples were investigated by Fourier transform spectrometer,X-ray diffraction diffractometer,Scanning electron microscope and Superconductor quantum interference device.The results indicate that the average sizes of Co(1-x)NixFe2O4/polypyrrole nanocomposites are about 100 nm.The saturation magnetization of the pure Co(1-x)NixFe2O4 nanoparticles are 52.3emu/g,but Co(1-x)NixFe2O4/polypyrrole composites aer 37.36 emu/g.Both Co(1-x)NixFe2O4 and Co(1-x)NixFe2O4/PPY showed superparamagnetism.

关键词： Core—shell structure Co(1-x)NixFe2O4 Conductive polypyrrole Magnetic property

作者: Changsen Zhanga Qisheng Wu Jvhua Luo

作者单位: School of Materials Engineering, Yancheng Institute of Technology, 442051 Yancheng, China

会议类型: 国内会议

会议名称: 2012中国国际粉体技术与应用论坛暨全国粉体技术产品商贸交流会

会议地点: 合肥

会议语种:英文

页码: 13-19

在线出版日期: 2012-08-25（万方平台首次上网日期，不代表论文的发表时间）