Recent Advances in the Electromagnetic Interference Shielding of 2D Materials beyond Graphene

Abstract

Two-dimensional (2D) layered materials assume a central role in efforts to address the challenges associated with electromagnetic interference (EMI) due to undesirable effects of continuous exposure to electromagnetic fields. Recent progress on EMI shielding effectiveness (EMI SE) of 2D layered materials is highlighted, such as black phosphorus, hexagonal boron nitride, layered double hydroxides, and transition metal dichalcogenides, with a focus on the significant volume of work done with MXenes. The 2D structures yield large surface area and low density, and their unique electrical properties confer them a high potential for developing superior EMI shielding materials. Commercial products of EMI shielding materials are analyzed, and we discuss how these 2D materials could reach the market.

MoS2/MXene Aerogel with Conformal Heterogeneous Interfaces Tailored by Atomic Layer Deposition for Tunable Microwave Absorption

“…Especially since the breakthrough discovery of 2D Ti 3 C 2 T x in the excellent electromagnetic interference (EMI) shielding was first reported in 2016, [ 22 ] the theory, experiment, and application of MXene in these related fields have been extensively studied. [ 23 , 24 , 25 , 26 , 27 , 28 , 29 ] In particular, MXene containing Ti element usually possesses the ability to block and absorb EM waves, [ 20 , 22 , 23 , 30 , 31 ] and its performance is even better than that of the metal films commonly used in most electrical equipment. [ 23 ] The high performance of MXene is contributed by its excellent electrical conductivity, [ 32 , 33 , 34 ] large specific surface area, [ 35 , 36 , 37 ] light weight, [ 1 , 38 ] rich surface functional groups, and surface defects.…”

Composition Optimization and Microstructure Design in MOFs-Derived Magnetic Carbon-Based Microwave Absorbers: A Review

“…The worsening electromagnetic (EM) environment caused by EM radiation from the massive usages of emerging electronic apparatuses ranging from household appliances to wireless base stations and military radars poses serious threats to human health and national defense security and has aroused worldwide attention [1][2][3]. EM shielding and EM absorption have long been recognized as two typical strategies for mitigating or resisting adverse effects from those surplus EM waves, where the former realizes individual protection through strong reflection of incident EM waves and the latter is established on the conversion of EM energy [4,5]. In view of their different mechanisms, EM absorption has gradually evolved into a dominant means for EM pollution precaution due to its desirable sustainability [6,7].…”

A review on electrospun magnetic nanomaterials: methods, properties and applications

“…With the extensive utilisation of electronic devices for civil and military purposes there is a strong desire to reduce electromagnetic (EM) pollution due to its associated negative impact on human health, national defence security and electronic safety. 121,[226][227][228][229][230][231] EM wave shielding, or absorption materials, are designed to address this challenge. Fig.…”