Ultra-thin metal composites for electromagnetic interference shielding

Flexibly stretchable acrylic resin elastomer films for efficient electromagnetic shielding and photothermal conversion

“…21 However, metalbased shielding materials generally have limitations such as high heat reection, poor tensile properties and corrosion resistance. [22][23][24] Therefore, advanced exible shielding materials such as foam [25][26][27][28] and lm [29][30][31] have been developed to deal with EMI in specic bands combined with photothermal conversion.…”

Robust MXene Nanosheet-Based Electromagnetic Interference Shielding Membrane with Cation–π Interactions

“…Over the past two decades, electronic products have permeated every facet of our daily lives, driven by remarkable advancements in modern technology. − Amidst the pervasive presence of electromagnetic radiation, the adverse consequences of electromagnetic interference (EMI) manifest, resulting in disruptive malfunctions of electronic devices, information security concerns, and potential harm to human well-being. − Leveraging EMI shielding techniques proves highly effective in augmenting the electromagnetic compatibility of electronic devices, thereby mitigating the risks associated with electromagnetic waves (EMWs) and ensuring the optimal functionality of electronic equipment. − Moreover, the unwavering pursuit of miniaturization, elevated power consumption, and advanced integration in electronic devices introduces unprecedented challenges in the development of cutting-edge electromagnetic shielding materials. − EMI shielding materials are primarily classified into two categories: conductive and absorptive materials. Among these, conductive EMI shielding materials exhibit immense potential in the realm of electromagnetic interference shielding. − While traditional metal shielding materials exhibit outstanding shielding performance, their development is constrained by inherent drawbacks such as high density, susceptibility to corrosion, and intricate processing requirements.…”

Simulation of Dielectric Properties of Nanocomposites with Non-Uniform Filler Distribution

“…Such investigated composites range from fabrics [ 2 ], buildings [ 3 ], and construction materials [ 3 ], to metallic [ 4 ] or polymer [ 5 ] matrices or are used in the fabrication of nanoscale metamaterials [ 6 ]. At present, many studies address materials for EM interference shielding, one of the main applications among those mentioned above, but there are relatively few studies and simulation models on metallic EM interference shielding nanomaterials [ 7 , 8 , 9 , 10 , 11 , 12 ]. In all electromagnetic applications, due to the high cost of ingredients, technologies, and test procedures, a preliminary simulation of dielectric properties is required for a better experimental design of technology before effective measurement of dielectric properties of related samples is possible.…”

“…Analytical equations to estimate the dielectric properties of dielectric mixtures exist. For example, some equations in [ 7 ] may be adequate candidates: Kraszewski (Equation (1)), Landau, Lifshitz, Looyenga (Equation (2)), and Lichtenecker (Equation (3)), based on the values of the dielectric permittivity ε i of individual constituents and on the volume fraction of individual components of the mixture, ν i . However, these equations are based on the macroscopic energetic level and fail to take into consideration the architecture effects of composites at nano/microscale, especially in nanocomposites with non-uniform filler distribution, even if most composites are technologically obtained in such a manner.…”