The journey of polycarbonate-based composites towards suppressing electromagnetic radiation

Abstract Electronic devices’ widespread usage has led to a new form of pollution, known as electromagnetic (EM) causing serious problems like equipment malfunctioning and affecting its reliability. This review article presents comprehensive literature survey on the various polycarbonate (PC)-based materials for interference (EMI) shielding applications comprising PC-based composites, blend foams, more recently, multilayered architectures. Following state-of-the-art available from previous decade, it is apparent that properties (conductivity, permittivity permeability) nanofiller/fillers nanocomposite processing/fabrication techniques control EMI in materials. Researchers have explored variety fillers, but high aspect ratio carbonaceous nanofillers gained significant attention. Through morphological modifications PC one can obtain percolation threshold low 0.021 wt% carbon nanotubes (CNTs). However, higher connectivity conductive filler need not necessarily lead performance. Thus, detailed insight into mechanism also highlighted. will help researchers design with superior performance coupled good mechanical stability. Graphical abstract