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

被引：15
作者：
Sambyal, Pradeep [1 ]
Iqbal, Aamir [1 ,2 ]
Hong, Junpyo [1 ]
Kim, Myung-Ki [3 ]
Kim, Il-Doo [4 ]
Koo, Chong Min [1 ,2 ,5 ]
机构：
[1] Korea Inst Sci & Technol, Mat Architecturing Res Ctr, Hwarangno 14-gil 5, Seoul 02792, South Korea
[2] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Seobu ro 2066, Suwon 16419, South Korea
[3] Korea Univ, KIST Grad Sch Converging Sci & Technol, Anam ro 145, Seoul 02841, South Korea
[4] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, 291 Daehak ro, Daejeon 34141, South Korea
[5] Sungkyunkwan Univ, Sch Chem Engn, Seobu ro 2066, Suwon 16419, South Korea
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2023年 / 295卷
基金：
新加坡国家研究基金会;
关键词：
MXene; Galinstan; Liquid metal; Composites; Electromagnetic shielding; TI3C2; MXENES; ABSORPTION; NANOCOMPOSITES; GRAPHENE;
D O I：
10.1016/j.matchemphys.2022.127184
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页数：8
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