Exceptionally flame retardant and electromagnetic interference shielding aramid nanofiber-Ti3C2Tx MXene twin-layered films with remarkable mechanical strength and flexibility

Yu, Qinglong; Han, Wanlin; Qiu, Lijuan; Yu, Yibo; Yi, Longfei; Chen, Dayong

doi:10.1016/j.jallcom.2024.175119

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.175119

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Exceptionally flame retardant and electromagnetic interference shielding aramid nanofiber-Ti3C2Tx MXene twin-layered films with remarkable mechanical strength and flexibility

Qinglong Yu,

Wanlin Han,

Lijuan Qiu

et al.

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Cited by 3 publications

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Self-supporting ultra-thin sandwich-structured ANFs-PVA/AgNWs films with flame-retardant and electromagnetic interference shielding performance

Jiang,

Zhang,

Gao

et al. 2024

Progress in Organic Coatings

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Self-supporting ultra-thin sandwich-structured ANFs-PVA/AgNWs films with flame-retardant and electromagnetic interference shielding performance

Jiang,

Zhang,

Gao

et al. 2024

Progress in Organic Coatings

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Flexible multifunctional MXene@Ag nanowires/cotton fabric inspired by transport of nutrients by roots for electromagnetic shielding, infrared stealth, Joule/solar heating and flame retardancy

Yan,

Chen,

Tan

et al. 2024

J. Mater. Chem. A

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Nacre-like Anisotropic Multifunctional Aramid Nanofiber Composites for Electromagnetic Interference Shielding, Thermal Management, and Strain Sensing

Dong,

Lin,

Zhang

et al. 2024

Molecules

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Developing multifunctional flexible composites with high-performance electromagnetic interference (EMI) shielding, thermal management, and sensing capacity is urgently required but challenging for next-generation smart electronic devices. Herein, novel nacre-like aramid nanofibers (ANFs)-based composite films with an anisotropic layered microstructure were prepared via vacuum-assisted filtration and hot-pressing. The formed 3D conductive skeleton enabled fast electron and phonon transport pathways in the composite films. As a result, the composite films showed a high electrical conductivity of 71.53 S/cm and an outstanding thermal conductivity of 6.4 W/m·K when the mass ratio of ANFs to MXene/AgNWs was 10:8. The excellent electrical properties and multi-layered structure endowed the composite films with superior EMI shielding performance and remarkable Joule heating performance, with a surface temperature of 78.3 °C at a voltage of 2.5 V. Additionally, it was found that the composite films also exhibited excellent mechanical properties and outstanding flame resistance. Moreover, the composite films could be further designed as strain sensors, which show great promise in monitoring real-time signals for human motion. These satisfactory results may open up a new opportunity for EMI shielding, thermal management, and sensing applications in wearable electronic devices.

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Exceptionally flame retardant and electromagnetic interference shielding aramid nanofiber-Ti3C2Tx MXene twin-layered films with remarkable mechanical strength and flexibility

Cited by 3 publications

References 58 publications

Self-supporting ultra-thin sandwich-structured ANFs-PVA/AgNWs films with flame-retardant and electromagnetic interference shielding performance

Self-supporting ultra-thin sandwich-structured ANFs-PVA/AgNWs films with flame-retardant and electromagnetic interference shielding performance

Flexible multifunctional MXene@Ag nanowires/cotton fabric inspired by transport of nutrients by roots for electromagnetic shielding, infrared stealth, Joule/solar heating and flame retardancy

Nacre-like Anisotropic Multifunctional Aramid Nanofiber Composites for Electromagnetic Interference Shielding, Thermal Management, and Strain Sensing

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