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Electromagnetic properties of Hollow PAN/Fe3O4 composite nanofibers via Coaxial Electrospinning
HE Tingting 1,LI Dawei 2,HUANG Fenglin 2,WEI Qufu 2 * #,WANG Xiaoling 2
1.Key Laboratory of Eco-Textiles, Jiangnan University, JiangSu WuXi 214122
2.Key Laboratory of Eco-Textiles, Jiangnan University, Wuxi 214122
*Correspondence author
#Submitted by
Subject:
Funding: the Natural Science Fundation of Jiangsu Province (No.No. BK2010140), China National Natural Science Foundation (No.No. 51006046), the Fundamental Research Funds for the Central Universities (No.No. JUSRP11102 and JUSRP20903), the Research Fund for the Doctoral Program of Higher Education of China (No.No. 200802951011 and 20090093110004))
Opened online: 8 June 2012
Accepted by: none
Citation: HE Tingting,LI Dawei,HUANG Fenglin.Electromagnetic properties of Hollow PAN/Fe3O4 composite nanofibers via Coaxial Electrospinning[OL]. [ 8 June 2012] http://en.paper.edu.cn/en_releasepaper/content/4480454
 
 
Fe3O4 nanoparticles were fabricated by the chemical coprecipitation by using Triton X-100 as dispersant. Hollow Polyacronitrile (PAN)/Fe3O4 magnetic composite nanofibers were fabricated through coaxial electrospinning and post-treatment. The effect of sheath feed rate on the formation of hollow structure was investigated and hollow structures of composite nanofibers were characterized using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). X-ray diffractometry (XRD) proved that Fe3O4 nanoparticles existed in composite nanofibers. The magnetic properties and microwave-absorbing properties of composite nanofibers were characterized using Superconducting Quantum Interference Device (SQUID) and vector network analyzer,respectively. The study revealed that the magnetic properties of the composite nanofibers depended on the contents of Fe3O4 nanoparticles in the composites. The microwave absorption properties of hollow PAN/Fe3O4 composite nanofibers were better than that of PAN/Fe3O4 composite nanofibers.
Keywords:Magnetic materials; coaxial electrospinning; hollow fibers; electromagnetic properties; Fe3O4
 
 
 

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