Smart Materials Design for Electromagnetic Interference Shielding Applications

Porous 2D MXenes for EMI Shielding

Author(s): Pradeep Sambyal*, Chong Min Koo* and S.K. Dhawan

Pp: 439-464 (26)

Doi: 10.2174/9789815036428122010013

* (Excluding Mailing and Handling)


Advancement in modern electronic devices needs special requirements such as compact size, lightweight, and easy processing ability for the new innovative systems. This chapter describes the fundamentals of porous MXene composites (foams and aerogels) with the aim of inhibiting electromagnetic (EM) pollution. The first article that elucidated the EM shielding capabilities of MXene composites demonstrated superior performances to those of the existing materials, owing to their metallic conductivity, large surface area, surface modifiability, and ease of processability. Various approaches have been used to attenuate EM waves, including the application of laminate, porous, and hybrid structures. Among these, the porous morphology can contribute to the design of the absorption-dominant EM shield. Herein, the variations in electrical conductivity, mechanical stability, and electromagnetic interference shielding effectiveness (EMI SE) were explored with the use of a porous morphology. Subsequently, the theoretical and experimental results were analyzed to obtain new insights into the shielding mechanisms. This chapter will provide an overview of porous MXene composite materials and future challenges and strategies to design hybrid materials for next-generation EMI shielding applications.

Keywords: Aerogels, Electromagnetic Shielding, Foams, MXenes, Porous Structure.

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