Synthesis, characterizations, and physical properties of magnesium oxide with polyaniline nanocomposites

Abstract

Metal Oxide nanoparticles can be synthesized through physical, chemical, or green processes. Using the Green process and the low-temperature solution combustion method, magnesium oxide nanoparticles (MgO NPs) were synthesized from Aloe Vera leaves. This method is environmentally friendly and non-toxic. Magnesium oxide is a practical semiconductor metal oxide that is generally used as a catalyst, electronic, and optical material. The MgO NPs that were produced were then reinforced with polyaniline (PANI) at various weight percentages of PANI/MgO nanocomposites synthesis through in-situ polymerization. Various analytical methods were used to characterize the synthesized samples. The X-ray diffraction (XRD) pattern confirmed the formation of MgO crystalline structure with cubic phase (Halite). The Debye-Scherrer equation was used to calculate particle size, which was determined to be 35–45 nm. The study using a scanning electron microscope (SEM) revealed the development of NPs of various shapes. And also FTIR analysis was used to identify various modes of vibration, characteristic bands, and crystalline phases of the samples, and –visiblele spectroscopy was examined to study its optical property measurements of the band gap energy values 3.95 and 4.55 eV. All nanocomposites' AC conductivity, dielectric constant, dielectric loss, and tanδ fluctuation were evaluated in relation to frequency as part of the electrical studies.