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Polymer Composite materials have attracted considerable attention in the search for high-performance materials for applications involving electromagnetic interference (EMI) shielding and thermal conductivity. This paper describes the fabrication and analysis of a new composite material that incorporates MXene and Fe 3 O 4 -g-C 3 N 4 into an ethyl methacrylate (EMA) polymer matrix. The material was produced using a solution mixing method, resulting in a hierarchical structure with combined characteristics. MXene, a two-dimensional transition metal carbide, offers remarkable electrical conductivity, while Fe 3 O 4 -g-C 3 N 4 combines magnetic properties with the unique structure of graphitic carbon nitride, enabling multifunctionality. The EMI shielding effectiveness (SE), electrical conductivity, microstructure and thermal conductivity of the composites were systematically characterized using various techniques. The fabricated composite EX 50 FG 50 exhibited superior EMI shielding effectiveness of −36 dB, as well as improved thermal conductivity of 0.98 W/mk, and robust mechanical properties. These results highlight the potential of the MXene and Fe 3 O 4 -g-C 3 N 4 embedded EMA composite for applications in EMI shielding and thermal management systems, offering opportunities for advancements in electronics, aerospace, and telecommunications industries. • EMA/MXene/Fe 3 O 4 @g-C 3 N 4 polymer composite fabricated by solution mixing technique. • EMA/MXene/Fe 3 O 4 @g-C 3 N 4 polymer composite enhanced the electrical conductivity. • Polymer composite having 50/50 MXene/Fe 3 O 4 @g-C 3 N 4 shows −36 dB EMI shielding effectiveness. • The thermal conductivity of the EX 50 FG 50 composites is significantly higher than EMA.
Katheria et al. (Tue,) studied this question.