Electromagnetic interference cognizance and potential of advanced polymer composites toward electromagnetic interference shielding: A review

Abstract

The exigency of electromagnetic shielding is derived from the electromagnetic pollution caused by the widespread use of electronic devices. Electromagnetic waves from innumerable electrical sources radiate in the atmosphere and generate electromagnetic interference (EMI). Such EMI can interrupt other instruments and threaten human health. Therefore, future designs of electronic devices, regardless of their size and use, necessitate advanced electromagnetic shielding materials and techniques that can limit or completely block the transmission of electromagnetic waves in the atmosphere. The purpose of this review is to investigate the use of polymer-based composites for EMI shielding and study their configurations. The objectives of this study and the societal and environmental impacts of electromagnetic waves are discussed in detail.The available reports, the worldwide contribution by researchers in the field, the limitations of the available materials, and the inventions required have directed our interest toward this area of research. The review summarizes EMI shielding cognizance, current research gaps, and future recommendations.

Surface engineering of nanoflower-like MoS2 decorated porous Si3N4 ceramics for electromagnetic wave absorption

“…The rapid development of wireless communication, electronic countermeasures, and radar detection methods has created a series of problems such as electromagnetic pollution, electromagnetic interference, and low survivability of weapons and equipment. [1][2][3] The development of high-performance electromagnetic wave (EMW) absorbing materials is thus a popular topic in domains such as electromagnetic pollution prevention and military radar stealth. 4 An ideal EMW absorbing material usually should meet the requirements of thin thickness, lightweight, wide absorption bandwidth, and strong absorption intensity.…”

Preferential localization of conductive filler in ethylene‐co‐methyl acrylate/thermoplastic polyolefin polymer blends to reduce percolation threshold and enhanced electromagnetic radiation shielding over K band region

“…Consequently, EMI shielding draws excellent attention in the research field and daily life to prevent the calamity of electromagnetic radiation in the microwave region. [6][7][8] Researchers have recently been motivated to fabricate cost-effective, easily processable, lightweight, flexible composites to protect against the unwanted radiation from electronic appliances. [9][10][11][12][13] To achieve improved shielding efficiency, high electrical conductivity (σ $ 10 À3 to 1 Scm À1 ) is the utmost requirement of composite materials.…”

Optimization of electromagnetic shielding and mechanical properties of reduced graphene oxide/polyurethane composite foam

“…[4,5] Recently, there has been a great deal of work dedicated to the development of novel EM shielding materials that are significantly lighter and have better EM shielding properties than current solutions. [6,7] Historically, a large number of different metals and alloys have been used for EM shielding; however, they have the disadvantages of high density, corrosion and difficult/uneconomic processing. [8] Carbon-based materials, on the other hand, have received more attention for military and civilian applications due to their high electric conductivity, thermal stability, excellent corrosion resistance, and low density.…”