Ultrathin MXene/aramid nanofiber composite paper with excellent mechanical properties for efficient electromagnetic interference shielding

Fan Xie; Fengfeng Jia; Longhai Zhuo; Zhaoqing Lu; Lianmeng Si; Jizhen Huang; Meiyun Zhang; Qin Ma

doi:10.1039/C9NR07331K

Ultrathin MXene/aramid nanofiber composite paper with excellent mechanical properties for efficient electromagnetic interference shielding†

Fan Xie,

^a Fengfeng Jia,^a Longhai Zhuo,^a Zhaoqing Lu,

*^a Lianmeng Si,^a Jizhen Huang,^a Meiyun Zhang^a and Qin Ma^a

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* Corresponding authors

^a College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science & Technology, No. 6, Xuefu Road, Xi'an, P.R. China
E-mail: luzhaoqing302@163.com
Tel: +86-185-0921-2199

Abstract

MXenes, new two-dimensional compounds with hydrophilic surfaces and high metallic conductivity, have attracted significant interest in the electromagnetic interference shielding field in recent years. Nevertheless, poor mechanical properties and brittle nature are bottlenecks for their commercial application. Herein, one-dimensional ANFs were designed as the intermolecular cross-linker between d-Ti₃C₂T_x flakes and MXene (d-Ti₃C₂T_x)/aramid nanofiber (ANF) composite paper with a multi-layered structure was fabricated via the vacuum-assisted filtration approach. Further investigation revealed that the ANFs and MXene displayed good combination by hydrogen bonding, and MXene/ANF composite papers exhibited excellent mechanical properties and superior electrical conductivity. The MXene/ANF composite paper possessed a favorable shielding effectiveness (SE) which reached ∼28 dB in 8.2–12.4 GHz (X band) with an ultra-thin thickness ∼17 μm and showed potential application prospects as an advanced composite in sensitive electronic products.

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DOI: https://doi.org/10.1039/C9NR07331K
Article type: Paper
Submitted: 26 Aug 2019
Accepted: 01 Nov 2019
First published: 06 Nov 2019

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Nanoscale, 2019,11, 23382-23391

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Ultrathin MXene/aramid nanofiber composite paper with excellent mechanical properties for efficient electromagnetic interference shielding

F. Xie, F. Jia, L. Zhuo, Z. Lu, L. Si, J. Huang, M. Zhang and Q. Ma, Nanoscale, 2019, 11, 23382 DOI: 10.1039/C9NR07331K

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Ultrathin MXene/aramid nanofiber composite paper with excellent mechanical properties for efficient electromagnetic interference shielding†

Abstract

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Ultrathin MXene/aramid nanofiber composite paper with excellent mechanical properties for efficient electromagnetic interference shielding

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