This article has an erratum: [erratum]
Eur. Phys. J. Appl. Phys.
Volume 55, Number 1, July 2011
|Number of page(s)||6|
|Section||Spintronics, Magnetism and Superconductivity|
|Published online||21 July 2011|
Preparation and characterization of Co/PAN-based carbon fibrous composites
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, P.R. China
2 Textile College, Sichuan University, Chengdu 610065, P.R. China
Revised: 4 March 2011
Accepted: 18 May 2011
Published online: 21 July 2011
The cobalt/polyacrylonitrile (Co/PAN)-based carbon fibrous composites were prepared. The PAN incorporated with cobalt ions was in situ polymerized by initiating the complex solution of acrylonitrile (AN)/cobalt (II) chloride (CoCl2) in which the contents of cobalt ions were 0 wt.%, 0.29 wt.%, 0.56 wt.% and 1.14 wt.%, respectively. The ultrathin blue fibers were formed from the cobalt/PAN composites by the electrospinning method. The electrospun cobalt-incorporated PAN fibers were successfully stabilized in air and subsequently carbonized to form the carbon fibrous composites in a nitrogen (N2) atmosphere. Based on the scanning electron microscopy (SEM), we noticed that beads and beaded fibers were produced during the electrospinning process. When the content of cobalt ions in the complex solution was as high as 1.14 wt.%, there were many honeycomb-like structures and nanopores formed in both stabilized and carbonized fibers. The X-ray photoelectron spectra (XPS) were used to characterize the structure of the composite fibers.
© EDP Sciences, 2011
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