This work involved the preparation of composite fibers from a mixture solution of 8% (w/v) of polyarylonitrile (PAN) containing silver (Ag) particles via a redox reaction and activated carbon (AC) using dimethyl formamide (DMF) as a solvent. The AC content was varied at concentrations of 0, 1, 2, 3, 4, and 5% (w/v). The electrospun composite fibers (ECFs) were prepared by using the electrospinning technique. The surface morphology and content of Ag particles of ECFs were determined by using field emission scanning electron microscopy (FE-SEM) and X-ray fluorescent spectroscopy (XRF) methods, respectively. Moreover, the viscosity and conductivity of spinning solutions were investigated as well. The viscosity of spinning solution increased from 45 to 54 Pa. s with the addition of AC particles from 0 to 4 % w/v and then suddenly dropped to 36 Pa. s at 5 % w/v of AC. The conductivity of spinning solutions decreased from 540 to 139 µS cm-1 when the amount of AC increased from 0 to 5% (w/v). ECFs had rough and porous surfaces with fiber diameters in the range of 200-250 nm. The size of fibers decreased with increasing of bead fibers as the dosage of AC increased.

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