Abstract
We report a synthesis of interesting nanocomposites (NCs) formed by copolymer poly (pyrrole-co-o-toluidine) (P(Py-co-OT)) and spinel ferrite MFe2O4 nanoparticles (NPs) (M = Mg, Co, Ni, Cu and Zn) and examine how various ferrites affect properties. The synthesis of MFe2O4@P(Py-co-OT) NCs was done at fixed percentage (20%) of different MFe2O4 NPs, whereas MFe2O4 NPs were synthesized by an egg-white method. P(Py-co-OT) and MFe2O4@P(Py-co-OT) NCs' structural, morphological, thermal, and electrical properties involving Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM) with energy-dispersive X-ray (EDX), transmission electron microscopy (TEM), thermogravimetric analysis (TGA-DTG), four-probe resistivity instrument, and a computer-controlled impedance analyser were measured. FTIR and XRD results confirmed how MFe2O4@P(Py-co-OT) NCs were formed and MFe2O4 showed a spinel structure. Notably, the structural properties indicated NCs' core-shell structure. The analysis of TGA-DTG presented that NCs' thermal stability was improved by CoFe2O4 and NiFe2O4 NPs. The ac conductivity gauged as a temperature function showed that NiFe2O4 NPs improved the conductivity of NCs. The dielectric was measured as a frequency function, and the result indicated that the electrical conductivity is thermally activated with special attention to the Ni substituent in the form of NiFe2O4@P(Py-co-OT).