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

Miao, Zhen; Chen, Xiaohong; Zhou, Honglei; Liu, Ping; Fu, Shaoli; Yang, Jingzhou; Gao, Yuhang; Ren, Yupeng; Dong, Rong

doi:10.3390/nano12010020

Cited by 28 publications

(16 citation statements)

References 49 publications

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“…Since the PU@GNP exhibits high elasticity, the resistance changes strongly under elongation. , It is suggested that PBE–PU@GNP micro–nanofibrous membranes have excellent electrical performance under a small strain. It was further observed that the resistance slightly increases during the recovery stage, which may be due to the rearrangement of the conducting channels. , …”

Section: Resultsmentioning

confidence: 97%

Large-Scale Preparation of Micro–Nanofibrous and Fluffy Propylene-Based Elastomer/Polyurethane@Graphene Nanoplatelet Membranes with Breathable and Flexible Characteristics for Wearable Stretchy Heaters

Zhang

Cao

Zhen

et al. 2022

ACS Appl. Mater. Interfaces

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Effective personal thermal management is crucial for protecting human health during cold weather. Therefore, wearable heaters based on electric-heating membranes are one of the most promising devices to become essential appliances in our daily lives. The main challenge toward this goal is the development of electricheating membranes with adequate breathable, flexible, and stretchable characteristics. In the work presented here, micro− nanofibrous fluffy electric-heating membranes were prepared by coating polyurethane/graphene nanoplatelet (PU@GNP) films onto melt-blown propylene-based elastomer (PBE) micro−nanofibrous membranes via a facile, cheap, and large-scale method consisting of a coating-compressing cyclic process. Investigation of the resulting PBE/PU@GNP membranes showed that the PU@ GNP films were uniformly deposited onto the PBE micro−nanofiber surfaces, forming fluffy interconnected conducting channels. By applying a voltage of 36 V to the prepared PBE/PU@GNP membranes, the temperature increased to 69.7 °C, confirming excellent electric-heating features. Moreover, the porosity of the fabricated membrane could be tailored readily by adjusting the coatingcompressing cycles. Benefiting from the conducting channels, the PBE/PU@GNP membranes exhibited efficiently regulated air permeability ranging from 212 to 60.2 mm/s, a prominent softness score of 53.8, and an excellent elastic recovery rate of 85.5%. These findings demonstrate that PBE/PU@GNP micro−nanofibrous fluffy membranes may well be suitable for application in electric-heating clothing. The cyclic coating-compressing preparation process may be attractive in industrial manufacturing.

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Section: Resultsmentioning

confidence: 97%

Large-Scale Preparation of Micro–Nanofibrous and Fluffy Propylene-Based Elastomer/Polyurethane@Graphene Nanoplatelet Membranes with Breathable and Flexible Characteristics for Wearable Stretchy Heaters

Zhang

Cao

Zhen

et al. 2022

ACS Appl. Mater. Interfaces

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“…Meanwhile, introduced abundant interfaces between the MS and WPU synergistically contributed to high interfacial polarization of incident EMW. Additionally helpful for the loss of incident EMW was the dipolar polarization produced by localized defects and MS surface terminations (Figure c). − The penetrating EMW would also experience multiple reflections derived from the layered structure of MS, extending the propagation paths and increasing the interactions between EMW and MS (Figure b) . Therefore, due to the cooperation of MS and WPU, the composite films demonstrated good EMI shielding performance.…”

Section: Resultsmentioning

confidence: 99%

“…59−61 The penetrating EMW would also experience multiple reflections derived from the layered structure of MS, extending the propagation paths and increasing the interactions between EMW and MS (Figure 4b). 62 Therefore, due to the cooperation of MS and WPU, the composite films demonstrated good EMI shielding performance.…”

Section: Fabrication and Properties Of The Ms Compositementioning

confidence: 96%

From MXene Trash to Ultraflexible Composites for Multifunctional Electromagnetic Interference Shielding

Liu

Zheng

et al. 2022

ACS Appl. Mater. Interfaces

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The development of flexible composites based on the transition metal carbides/nitrides (MXenes) is gaining popularity because of MXenes’ high application potentials for electromagnetic interference (EMI) shields. Here, we prepare a new type of ultraflexible composite films composed of “trashed” MXene sediment (MS) and waterborne polyurethane using a simple, facile solution casting approach. In addition to the outstanding mechanical strength and electrical conductivity, an extremely wide-range of MS contents can be achieved for the composites, resulting in EMI shielding effectiveness (SE) that may be controlled over a wide range. The X-band EMI SE of the flexible, low-density composites containing 70 wt % MS reaches 45.3 dB at a thickness of merely 0.51 mm. Moreover, the SE values of more than 34.5 dB in the ultrabroadband gigahertz frequency range including X-band, P-band, K-band, and R-band, are accomplished for the thin composites. Furthermore, the MS/WPU composite films show excellent electrothermal and photothermal performance, demonstrating the multifunctionalities of the MS-based EMI shields. Combined with the cost-efficient, sustainable, and scalable preparation approach, the ultraflexible, multifunctional composites from “trashed MXene” show great potentials for next-generation electronics. This work also opens a new avenue for the creation of innovative, high-performance, multifunctional flexible composites.

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“…Miao et al 139 used thermoplastic polyurethane (TPU) as the matrix material and PAN as the binder. Fe 3 O 4 nanoparticles were uniformly locked on TPU/PAN nanofibers, and a magnetic fiber film with a high magnetization of 18.9 emu g −1 was prepared by electrospinning.…”

Section: Electrospun Mxene Nanosheet/polymer Compositesmentioning

confidence: 99%

Electrospun MXene Nanosheet/Polymer Composites for Electromagnetic Shielding and Microwave Absorption: A Review

Zhang

Wang

Gao

et al. 2022

ACS Appl. Nano Mater.

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Electromagnetic wave pollution in the living environment seriously affects our health, so it is important to develop an excellent electromagnetic interference (EMI) shielding or microwave absorbing (MA) material. MXene has a high chemically active surface, natural structural defects, surface hydrophilicity, high electrical conductivity, structural stability and easy processability, and is a potential shielding and absorbing material. Compounded with other materials, EMI shielding and MA properties of MXene have been actively studied and greatly improved. This review presents the recent advances on electrospun MXene nanosheet/polymer composites for multifunctional EMI shielding. Particularly, the challenges to development and prospects of the combination of MXene and electrospinning technology are addressed to provide a broader perspective.

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

Cited by 28 publications

References 49 publications

Large-Scale Preparation of Micro–Nanofibrous and Fluffy Propylene-Based Elastomer/Polyurethane@Graphene Nanoplatelet Membranes with Breathable and Flexible Characteristics for Wearable Stretchy Heaters

Large-Scale Preparation of Micro–Nanofibrous and Fluffy Propylene-Based Elastomer/Polyurethane@Graphene Nanoplatelet Membranes with Breathable and Flexible Characteristics for Wearable Stretchy Heaters

From MXene Trash to Ultraflexible Composites for Multifunctional Electromagnetic Interference Shielding

Electrospun MXene Nanosheet/Polymer Composites for Electromagnetic Shielding and Microwave Absorption: A Review

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