Abstract
ABSTRACT The burgeoning electronics industry has sparked a corresponding surge in electromagnetic pollution, necessitating robust shielding methods with a focus on absorption. Polymer-based composites, especially those incorporating polyaniline (PANI), are pivotal in this endeavor due to their electrical conductivity and cost-effectiveness. This review provides a comprehensive examination of current state-of-the-art research in the field of electromagnetic shielding materials, exploring their applications, benefits, and limitations. Graphene’s exceptional mechanical, electrical, and optical properties, when combined with PANI matrices, elevate electromagnetic interference shielding effectiveness (EMI SE). Its unique characteristics enhance electron transport, boosting overall electrical conductivity and reflectivity. Simultaneously, carbon nanotubes show promise for polymer composites, leveraging their superior strength, stiffness, aspect ratio, and electrical conductivity. The inclusion of Fe3O4 magnetic material significantly impacts composite permeability due to its large saturation magnetization. MXene, a two-dimensional transition metal carbonitride, emerges as a promising option for electromagnetic interference (EMI) shielding. With electrical conductivity and specific surface area comparable to graphene, MXene is gaining attention in EMI shielding research. The review explores diverse strategies utilizing various fillers to enhance PANI-based nanocomposites for EMI shielding, presenting a comprehensive overview of advanced shielding materials in various applications.
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