The AC and DC Electric Performance of PMMA/PVAc/TBAI Composite Filled with Milled MWCNTs

This work involved the development of polymer blends consisting of polymethacrylate (PMMA)/polyvinyl acetate (PVAc)/tetrabutylammonium iodide (TBAI)/milled multiwalled carbon nanotubes (MWCNTs), PMMA/PVAc/TBAI/x wt % milled MWCNTs employing the casting methodology as promising blends for use in numerous optoelectronics applications. The impact of milled MWCNTs on the structure and morphology of the resultant blends was considered. Except for the blend with x = 0, all the other samples exhibited a significant rise in energy density values relative to the pure sample. The conductive mechanisms in numerous samples were also studied. The activation energies of diverse blends were determined. A non-Debye-type ionic relaxation process was observed in all blends. According to the amount of MWCNTs doping, the bulk resistivity and ionic conductivity fluctuated, going up or down. A rise in temperature led to an enhancement in the ionic conductivity for all blends. A reduction in DC conductivity was found in the doped samples relative to the unfilled sample, and this decrease became more pronounced with the higher quantities of MWCNTs.