Abstract
Ti3SiC2, as ternary layered ceramic with good electrical and thermal conductivity, has great application potential in the field of absorbing materials. Absorbing materials are also increasingly required to be lightweight, ultrathin, and flexible. Herein, Ti3SiC2/poly (TEP, DOP and PVB) composite film was biomimetically designed and fabricated by type casting process. As-fabricated composite film with 38% content of Ti3SiC2 was only 1.62 mm in thickness but exhibited excellent absorbing performance. The maximum reflection loss value of Ti3SiC2-based films was as high as −38.41dB and absorption bandwidth below −10 dB was 2.480 GHz. Polymer matrix wrapped around Ti3SiC2 not only enhanced the flexibility of the film, but also regulated its impedance matching and complex dielectric constant compared with pure Ti3SiC2. Superior wave absorption and flexibility imply excellent potential of this Ti3SiC2-based composite film for eliminating electromagnetic interference.
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