期刊
MATERIALS LETTERS
卷 62, 期 14, 页码 2161-2164出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2007.11.051
关键词
electrospinning; nanoparticles; PAN/silica composite nanofibers; DMF
Polyacrylonitrile (PAN)/silica composite nanofibers, in the diameter of 200-300 nm, were prepared by a one-step electrospinning method. The PAN/silica nanofibers were characterized by SEM, TEM, ATR-FTIR and DSC. SEM and TEM images show that beads are formed and silica nanoparticles start to aggregate when the silica content is higher than 2 wt.% in nanofibers. ATR-FTIR spectra and DSC results indicate that there may exist interactions between silica nanoparticles and PAN. The addition of silica nanoparticles also changes the thermal properties of PAN/silica nanofibers. Published by Elsevier B.V.
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