Interfacing MXene Flakes on a Magnetic Fiber Network as a Stretchable, Flexible, Electromagnetic Shielding Fabric

A unique self-standing membrane composed of hierarchical thermoplastic polyurethane (TPU)/polyacrylonitrile (PAN) fibers is prepared by the electrospinning technique, followed by a simple dip-coating process. Fe O nanoparticles are uniformly anchored on TPU/PAN fibers during the electrospinning proc...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2021-12, Vol.12 (1), p.20
Main Authors: Miao, Zhen, Chen, Xiaohong, Zhou, Honglei, Liu, Ping, Fu, Shaoli, Yang, Jiajie, Gao, Yuhang, Ren, Yupeng, Rong, Dong
Format: Article
Language:English
Subjects:
Aluminum
Carbon
Dip coatings
Electromagnetic shielding
electromagnetic synergy
Electrospinning
electrospun film
Fibers
flexible and reliable
Functional groups
Hydrogen bonding
Hydrogen bonds
Immersion coating
Iron oxides
Macromolecules
Magnetic shielding
Mechanical properties
Membranes
Molecular chains
Morphology
MXenes
Nanocomposites
Nanomaterials
Nanoparticles
Polyacrylonitrile
Polyurethane
Polyurethane resins
Radiation
Reagents
shielding mechanism
Spectrum analysis
structural design
Substrates
Superhigh frequencies
Urethane thermoplastic elastomers
Wearable technology
Wireless networks
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Summary:A unique self-standing membrane composed of hierarchical thermoplastic polyurethane (TPU)/polyacrylonitrile (PAN) fibers is prepared by the electrospinning technique, followed by a simple dip-coating process. Fe O nanoparticles are uniformly anchored on TPU/PAN fibers during the electrospinning process, enabling the membrane to achieve effective electromagnetic interference shielding (EMI SE) performance. Such a hybrid membrane has a high magnetization of 18.9 emu/g. When MXene (Ti C T ) layers are further loaded on the TPU/PAN/Fe O NPs hybrid membrane, its EMI SE performance in the X band can exceed 30 dB due to the hydrogen bonds generated between the macromolecular chain of PAN and the functional group (T ) on the surface of MXene. Simultaneously, the interfacial attraction between MXene and the TPU/PAN/Fe O NPs substrate is enhanced. The EMI SE mechanism of the hybrid membrane indicates that this film has great potential in the fields of wearable devices and flexible materials.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano12010020