Ultrathin, flexible CNTs@MXene film fabricated with electrophoretic deposition method for high-performance electromagnetic interference shielding

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING International Journal of Materials Research Pub Date : 2023-07-10 DOI:10.1557/s43578-023-01100-y

Jinling Tong, Dongxu Yang, X. Liu, Shaowei Lu, Jijie Wang, Boxiong Zheng, Zihan Zhao, Yutong Song

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Abstract

Lightweight flexible composite films are widely used in the field of smart and wearable devices due to efficient electromagnetic interference (EMI) shielding effectiveness in the wide frequency domain and excellent mechanical properties. Herein, the CNTs@MXene composite films with excellent mechanical properties and EMI effectiveness were prepared by electrophoretic deposition method on carbon nanotubes (CNTs) substrate. By optimizing the experimental parameters, the optimal deposition time was determined to be 15 min. Meanwhile, the mechanical properties of the 40 μm composite films were the best and the tensile strength reached about 29.2 MPa. Moreover, the composite films with the same thickness showed excellent electromagnetic shielding effects of 69.02 dB and 77.32 dB in X-band and P-band, respectively. The CNTs@MXene composite films showed excellent EMI shielding effectiveness and mechanical properties. Therefore, the composite films showed great advantages and potentials in the application of smart and wearable devices.

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超薄，柔性CNTs@MXene薄膜制备的电泳沉积方法，高性能电磁干扰屏蔽

轻质柔性复合薄膜由于具有高效的宽频域电磁干扰屏蔽效果和优异的力学性能，被广泛应用于智能和可穿戴设备领域。在碳纳米管(CNTs)衬底上采用电泳沉积方法制备了具有优异力学性能和电磁干扰效能的CNTs@MXene复合薄膜。通过优化实验参数，确定最佳沉积时间为15 min。同时，40 μm复合膜的力学性能最好，抗拉强度达到29.2 MPa左右。同样厚度的复合膜在x波段和p波段的电磁屏蔽效果分别为69.02 dB和77.32 dB。CNTs@MXene复合膜具有良好的电磁屏蔽效果和力学性能。因此，复合薄膜在智能和可穿戴设备的应用中显示出巨大的优势和潜力。

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来源期刊

International Journal of Materials Research 工程技术-冶金工程

CiteScore

1.30

自引率

12.50%

发文量

119

审稿时长

6.4 months

期刊介绍： The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques. All articles are subject to thorough, independent peer review.