An ultra-thin multilayer carbon fiber reinforced composite for absorption-dominated EMI shielding application

Xing, Di; Lu, Longsheng; Tang, Weijin; Xie, Yingxi; Tang, Yong

doi:10.1016/j.matlet.2017.07.070

Cited by 45 publications

(10 citation statements)

References 11 publications

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“…demonstrated that using carbon nanomaterials as fillers for manufacturing hybrid fabrics improves the electromagnetic interference (EMI) shielding activity. [155][156][157][158] Synthetic 2-hydroxyethyl methacrylate fabric with appended adamantane was doped via host-guest interaction with -CD-SWCNT derivatives (Figure 9d). [149] The resulting fabric was produced using magneticfield-assisted electrospinning (Figure 9e), which cross-stacked aligned fabric layers and formed an aligned unilateral orientation of SWCNT stacks with excellent EMI shielding behavior at a very-low SWCNT loading (0.17 wt%, Figure 9f).…”

Section: Sensors and Wearable Electronicsmentioning

confidence: 99%

Biomolecule‐Directed Carbon Nanotube Self‐Assembly

Anaya‐Plaza

Ahmed

Lehtonen

et al. 2020

Adv Healthcare Materials

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The strategy of combining biomolecules and synthetic components to develop biohybrids is becoming increasingly popular for preparing highly customized and biocompatible functional materials. Carbon nanotubes (CNTs) benefit from bioconjugation, allowing their excellent properties to be applied to biomedical applications. This study reviews the state‐of‐the‐art research in biomolecule–CNT conjugates and discusses strategies for their self‐assembly into hierarchical structures. The review focuses on various highly ordered structures and the interesting properties resulting from the structural order. Hence, CNTs conjugated with the most relevant biomolecules, such as nucleic acids, peptides, proteins, saccharides, and lipids are discussed. The resulting well‐defined composites allow the nanoscale properties of the CNTs to be exploited at the micro‐ and macroscale, with potential applications in tissue engineering, sensors, and wearable electronics. This review presents the underlying chemistry behind the CNT‐based biohybrid materials and discusses the future directions of the field.

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Section: Sensors and Wearable Electronicsmentioning

confidence: 99%

Biomolecule‐Directed Carbon Nanotube Self‐Assembly

Anaya‐Plaza

Ahmed

Lehtonen

et al. 2020

Adv Healthcare Materials

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“…The multilayer structure is stacked layers, which enhance the tensile strength of the material. 123 The backfilling strategy uses reinforcing material to form the conductive skeleton and then fills the matrix. Zhang et al 38 designed and fabricated CF/epoxy composite microwave-absorbing materials with a grid structure, which show the reflectivity is less than -10 dB in the range of 10-18 GHz with a three layer grid structure.…”

Section: Compositesmentioning

confidence: 99%

Review of carbon-based electromagnetic shielding materials: film, composite, foam, textile

Zhong

Hong

2020

Textile Research Journal

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Carbon-based electromagnetic shielding materials are reviewed in terms of their performance, type, and preparation. They include film, composite, foam, and fabric with particular attention on their frequency selectivity ascribed to the periodic structure. The SE/t, referring to shielding effectiveness per unit thickness (dB/mm), and SSE, referring to shielding effectiveness per unit density (dB·cm3/g), are summarized. The main conclusions of this work are as follows: (1) large area film shows higher SE/t, in which carbon nanotube (CNT) film is endowed with the most attractive value (19,500 dB/mm); materials containing CNTs achieve higher shielding efficiency, ascribe to a high specific surface area, have a greater length–diameter ratio, and a one-dimensional continuous-oriented structure; (2) notably, frequency selectivity based on varied period structures has been widely studied; the method includes multilayer structure/printing/cutting/backfilling and, especially, woven fabric; (3) favorable shielding effectiveness is attributed to the shielding material's intrinsic electrical conductivity and structural integrity. Based on these developments, this paper aims to provide some valuable data, highlight the important research direction, and advance the development of carbon-based electromagnetic shielding materials.

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“…Carbon materials such as carbon fibers (CFs), carbon nanotubes (CNTs), carbon black, and graphene are continually being researched and developed for use in a variety of industrial applications including EMI shielding [ 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 ]. As one of the most developed and critical reinforcements, CFs have excellent properties such as high strength, high modulus, low density, good chemical stability, and outstanding electrical conductivity.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Interference Shielding Behavior of Magnetic Carbon Fibers Prepared by Electroless FeCoNi-Plating

Yim¹,

Lee

Tugirumubano

et al. 2021

Materials

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In this study, soft magnetic metal was coated on carbon fibers (CFs) using an electroless FeCoNi-plating method to enhance the electromagnetic interference (EMI) shielding properties of CFs. Scanning electron microscopy, X-ray diffraction, and a vibrating sample magnetometer were employed to determine the morphologies, structural properties, and magnetic properties of the FeCoNi-CFs, respectively. The EMI shielding behavior of the FeCoNi-CFs was investigated in the frequency range of 300 kHz to 3 GHz through vector network analysis. The EMI shielding properties of the FeCoNi-CFs were significantly enhanced compared with those of the as-received CFs. The highest EMI shielding effectiveness of the 60-FeCoNi-CFs was approximately 69.4 dB at 1.5 GHz. The saturation magnetization and coercivity of the 60-FeCoNi-CFs were approximately 103.2 emu/g and 46.3 Oe, respectively. This indicates that the presence of FeCoNi layers on CFs can lead to good EMI shielding due to the EMI adsorption behavior of the magnetic metal layers.

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An ultra-thin multilayer carbon fiber reinforced composite for absorption-dominated EMI shielding application

Cited by 45 publications

References 11 publications

Biomolecule‐Directed Carbon Nanotube Self‐Assembly

Biomolecule‐Directed Carbon Nanotube Self‐Assembly

Review of carbon-based electromagnetic shielding materials: film, composite, foam, textile

Electromagnetic Interference Shielding Behavior of Magnetic Carbon Fibers Prepared by Electroless FeCoNi-Plating

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