Conductive MXene composites with liquid metal for high-performance electromagnetic interference shielding

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Lightweight and ultrathin materials with superior electromagnetic interference (EMI) shielding performance are highly desirable for next-generation electronic devices. Herein, we fabricate a lightweight, thin, and flexible composite film, composed of Ti3C2Tx MXene and nanoparticles of Galinstan liquid metal, by simple vacuum -assisted filtration as a promising candidate for EMI shielding. The resultant composite film with highly conductive liquid metal between the MXene nano sheets exhibits enhanced electrical conductivity (4955 S cm -1), superior EMI shielding effectiveness (66.28 dB), and an absolute shielding effectiveness (15,029 dB cm2 g-1) at a thickness of 15 mu m in the X-band (8.2-12.4 GHz) frequency range that is one of the highest among those of MXenes hybrid composites.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2023-02
Language
English
Article Type
Article
Citation

MATERIALS CHEMISTRY AND PHYSICS, v.295

ISSN
0254-0584
DOI
10.1016/j.matchemphys.2022.127184
URI
http://hdl.handle.net/10203/305384
Appears in Collection
MS-Journal Papers(저널논문)
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