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Preparation and characterization of electrospun Ag/polyacrylonitrile composite nanofibers
Jie Bai,Yaoxian Li,Qingbiao Yang,Shan Wang,김학용 한국화학공학회 2011 Korean Journal of Chemical Engineering Vol.28 No.8
Novel composite nanofibers consisting of Ag nanoparticles and polyacrylonitrile (PAN) were fabricated successfully. The Raman properties of these Ag/PAN nanofibers were studied at low temperatures, which showed good Raman characteristics. In the process, a PAN solution containing Ag ions was directly electrospun to obtain nanofiber films containing Ag ions, and the Ag ions of resulting composite nanofibers were reduced to Ag nanoparticles in N_2H_5OH aqueous solution. Then, we treated Ag/PAN composite nanofibers at 100 ℃, 200 ℃, 400 and 600 ℃, respectively. The Ag/PAN nanocomposite film was characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) patterns and surface-enhanced Raman scattering (SERS) spectroscopy.