Lightweight and flexible hybrid film based on delicate design of electrospun nanofibers for high-performance electromagnetic interference shielding

Nanoscale ◽  
2019 ◽  
Vol 11 (17) ◽  
pp. 8616-8625 ◽  
Author(s):  
Li Huang ◽  
Jianjun Li ◽  
Yibin Li ◽  
Xiaodong He ◽  
Ye Yuan
Keyword(s):  
Electromagnetic Interference ◽  
High Performance ◽  
Hybrid Film ◽  
Electrospun Nanofibers ◽  
Light Weight ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness

High-performance electromagnetic interference (EMI) shielding materials possess features of light weight, flexibility and excellent EMI shielding effectiveness.

A multi-dimensional and level-by-level assembly strategy for constructing flexible and sandwich-type nanoheterostructures for high-performance electromagnetic interference shielding

Nanoscale ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 3308-3316 ◽  
Author(s):  
Caichao Wan ◽  
Yue Jiao ◽  
Xianjun Li ◽  
Wenyan Tian ◽  
Jian Li ◽  
...  
Keyword(s):  
Electromagnetic Interference ◽  
High Performance ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Free Standing ◽  
Assembly Strategy ◽  
Emi Shielding Effectiveness ◽  
X Band ◽  
Sandwich Type

A multi-dimensional and level-by-level assembly strategy is developed to construct free-standing and sandwich-type nanoheterostructures achieving an outstanding EMI shielding effectiveness of ∼50.6 dB in the X-band.

Graphene nanosheets/BaTiO3 ceramics as highly efficient electromagnetic interference shielding materials in the X-band

2016 ◽  
Vol 4 (2) ◽  
pp. 371-375 ◽  
Author(s):  
Qing Yuchang ◽  
Wen Qinlong ◽  
Luo Fa ◽  
Zhou Wancheng ◽  
Zhu Dongmei
Keyword(s):  
Electromagnetic Interference ◽  
High Performance ◽  
Graphene Nanosheets ◽  
Pressureless Sintering ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Highly Efficient ◽  
Emi Shielding Effectiveness ◽  
X Band

Graphene nanosheets filled BaTiO3 ceramics with high-performance EMI shielding effectiveness, greater than 40 dB in the X-band at 1.5 mm thickness, were prepared via pressureless sintering.

scholarly journals Ultrathin, Lightweight, and Flexible CNT Buckypaper Enhanced Using MXenes for Electromagnetic Interference Shielding

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Rongliang Yang ◽  
Xuchun Gui ◽  
Li Yao ◽  
Qingmei Hu ◽  
Leilei Yang ◽  
...  
Keyword(s):  
Electromagnetic Interference ◽  
High Performance ◽  
Electronic Devices ◽  
Deposition Process ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Emi Shielding Effectiveness ◽  
X Band ◽  
Wearable Electronic Devices ◽  
Emi Se

AbstractLightweight, flexibility, and low thickness are urgent requirements for next-generation high-performance electromagnetic interference (EMI) shielding materials for catering to the demand for smart and wearable electronic devices. Although several efforts have focused on constructing porous and flexible conductive films or aerogels, few studies have achieved a balance in terms of density, thickness, flexibility, and EMI shielding effectiveness (SE). Herein, an ultrathin, lightweight, and flexible carbon nanotube (CNT) buckypaper enhanced using MXenes (Ti3C2Tx) for high-performance EMI shielding is synthesized through a facile electrophoretic deposition process. The obtained Ti3C2Tx@CNT hybrid buckypaper exhibits an outstanding EMI SE of 60.5 dB in the X-band at 100 μm. The hybrid buckypaper with an MXene content of 49.4 wt% exhibits an EMI SE of 50.4 dB in the X-band with a thickness of only 15 μm, which is 105% higher than that of pristine CNT buckypaper. Furthermore, an average specific SE value of 5.7 × 104 dB cm2 g−1 is exhibited in the 5-μm hybrid buckypaper. Thus, this assembly process proves promising for the construction of ultrathin, flexible, and high-performance EMI shielding films for application in electronic devices and wireless communications.

Flexible, conductive, porous, fibrillar polymer–gold nanocomposites with enhanced electromagnetic interference shielding and mechanical properties

2017 ◽  
Vol 5 (5) ◽  
pp. 1095-1105 ◽  
Author(s):  
Jun Li ◽  
Hu Liu ◽  
Jiang Guo ◽  
Zhen Hu ◽  
Zhijiang Wang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Gold Nanoparticles ◽  
Self Assembly ◽  
Electromagnetic Interference ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness ◽  
Conductive Nanocomposites ◽  
Gold Nanocomposites

Flexible lightweight conductive nanocomposites prepared by self-assembly of gold nanoparticles on charged polymer nanofibers show enhanced EMI shielding effectiveness and mechanical properties.

A strategy to achieve enhanced electromagnetic interference shielding at ultra-low concentration of multiwall carbon nanotubes in PαMSAN/PMMA blends in the presence of a random copolymer PS-r-PMMA

RSC Advances ◽  
2016 ◽  
Vol 6 (32) ◽  
pp. 26959-26966 ◽  
Author(s):  
Suryasarathi Bose ◽  
Maya Sharma ◽  
Avanish Bharati ◽  
Paula Moldenaers ◽  
Ruth Cardinaels
Keyword(s):  
Carbon Nanotubes ◽  
Electromagnetic Interference ◽  
Multiwall Carbon Nanotubes ◽  
Random Copolymer ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness ◽  
Pmma Blends ◽  
Multiwall Carbon

Mediated by the PS-r-PMMA, the MWNTs were mostly localized at the interface and bridged the PMMA droplets. This strategy led to enhance EMI shielding effectiveness at 0.25 wt% MWNTs through multiple scattering from MWNT covered droplets.

Ultrastrong and conductive MXene/cellulose nanofiber films enhanced by hierarchical nano-architecture and interfacial interaction for flexible electromagnetic interference shielding

2019 ◽  
Vol 7 (32) ◽  
pp. 9820-9829 ◽  
Author(s):  
Zeying Zhan ◽  
Quancheng Song ◽  
Zehang Zhou ◽  
Canhui Lu
Keyword(s):  
Mechanical Strength ◽  
Intermolecular Interactions ◽  
Electromagnetic Interference ◽  
Interfacial Interaction ◽  
Cellulose Nanofiber ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness

Ti3C2Tx/TOCNF composite papers present excellent mechanical strength and EMI shielding effectiveness due to their hierarchically aligned structure and strong intermolecular interactions.

Electromagnetic Interference Shielding Characteristics of Carbon Nanofiber-Polymer Composites

2007 ◽  
Vol 7 (2) ◽  
pp. 549-554
Author(s):  
Yonglai Yang ◽  
Mool C. Gupta ◽  
Kenneth L. Dudley ◽  
Roland W. Lawrence
Keyword(s):  
Electromagnetic Interference ◽  
Carbon Nanofiber ◽  
Frequency Region ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Frequency Range ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness ◽  
Frequency Independent ◽  
Ku Band

Electromagnetic interference (EMI) shielding characteristics of carbon nanofiber-polystyrene composites were investigated in the frequency range of 12.4–18 GHz (Ku-band). It was observed that the shielding effectiveness of such composites was frequency independent, and increased with increasing carbon nanofiber loading within Ku-band. The experimental data exhibited that the shielding effectiveness of the polymer composite containing 20 wt% carbon nanofibers could reach more than 36 dB in the measured frequency region, indicating such composites can be applied to the potential EMI shielding materials. In addition, the results showed that the contribution of reflection to the EMI shielding effectiveness was much larger than that of absorption, implying the primary EMI shielding mechanism of such composites was reflection of electromagnetic radiation within Ku-band.

scholarly journals Mesocarbon microsphere composites with Fe3O4 nanoparticles for outstanding electromagnetic interference shielding effectiveness

RSC Advances ◽  
2015 ◽  
Vol 5 (54) ◽  
pp. 43279-43289 ◽  
Author(s):  
Ridham Dhawan ◽  
Saroj Kumari ◽  
Rajeev Kumar ◽  
S. K. Dhawan ◽  
Sanjay R. Dhakate
Keyword(s):  
Fe3o4 Nanoparticles ◽  
Electromagnetic Interference ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness ◽  
Electromagnetic Interference Shielding Effectiveness

In situ, development of mesocarbon microsphere (MCMS) composites with magnetic Fe3O4 nanoparticles for outstanding electromagnetic (EMI) shielding effectiveness.

EMI Shielding Effectiveness of CNTs Composites

2013 ◽  
Vol 331 ◽  
pp. 439-442 ◽  
Author(s):  
Ping Li ◽  
Aik Seng Low ◽  
Yue Yan Shan ◽  
Guat Choon Ong ◽  
Xi Jiang Yin
Keyword(s):  
Carbon Nanotubes ◽  
Electromagnetic Interference ◽  
Conductive Network ◽  
Shielding Effectiveness ◽  
Emi Shielding ◽  
Frequency Range ◽  
Electromagnetic Interference Shielding ◽  
Emi Shielding Effectiveness ◽  
Electromagnetic Interference Shielding Effectiveness ◽  
5 Ghz

A carbon nanotubes (CNTs) composite and its electromagnetic interference shielding effectiveness (SE) were investigated. Its absorptance, reflectance and shielding effectiveness (SE) were analysed. The CNTs composite has a shielding effectiveness (SE) of more than 25 dB (>99.68%) in frequency range from 30 MHz to 5 GHz. The testing results also demonstrate that the shielding mechanism of the CNTs composite is mainly EMI absorption of electromagnitic radiation. The high SE of the CNTs composite in the study is attributed to a high aspect ratio (>3000) and good conductive network of CNTs within the composite.

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