Effect of copper chloride salt(CuCl2) addition on DC,AC conductivity and tensile strength of PVA electrospun polymeric film

Abstract

Electrospun technique used to prepare PVA polymer with (2, 4, 6, 8 and 10) CuCl2 wt.% nanofibers membarance as thin films conductive polymers, morphology and average fibers diameters measurement statically by Electron microscopic image, which obtain (115 nm) as average diameter of pure PVA. The nanofibers films show improved the DC&AC electrical conductivity with increase CuCl2 addition, since it improved four orders from 3.7 x 10-4 mS/cm for without addition PVA film to 8.32 mS/cm for 10 wt.% CuCl2. AC electrical conductivity enhanced by increasing CuCl2 concentration, since it increased five orders from (1.17 × 10-6 S/ cm) for pure PVA film to (2.97×10-1 S/cm) for 10 wt.% CuCl2. Activation energy and S factor decreased with increasing the CuCl2 concentrations. The tensile strength of PVA film enhanced with adding of CuCl2 with enhancement modules of elasticity from 12.87 MPa for reference PVA to 123.4 MPa for 8 wt.% CuCl2.