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    Polymer-Assisted Fabrication of Silver Nanowire Cellular Monoliths: Towards Hydrophobic and Ultraflexible High-Performance Electromagnetic Interference Shielding Materials

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    Polymer_polymer assisted.pdf
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    Type
    Article
    Authors
    Zeng, Zhihui
    Li, Weiwei cc
    Wu, Na
    Zhao, Shanyu
    Lu, Xuehong
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2020-08-03
    Online Publication Date
    2020-08-03
    Print Publication Date
    2020-08-26
    Embargo End Date
    2021-08-03
    Permanent link to this record
    http://hdl.handle.net/10754/664591
    
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    Abstract
    Metal nanofibers with excellent electrical conductivity and superior mechanical flexibility have great potentials for fabrication of lightweight, flexible and high-performance electromagnetic interference (EMI) shielding architectures. The weak interactions and large contact resistance among the wires, however, hinder their assembly into robust and high-performance EMI shielding monoliths. In this work, we used low fractions of polymers to assist the construction of lightweight, flexible, and highly conductive silver nanowire (AgNW) cellular monoliths with significantly enhanced mechanical strength and EMI shielding effectiveness (SE). The normalized surface specific SE of our AgNW-based cellular monoliths can reach up to 20522 dB·cm2/g, outracing that of most shielding materials ever reported. Moreover, this robust conductive framework enabled the successful fabrication of hydrophobic, ultraflexible and highly stretchable aerogel/polymer composites with outstanding EMI SE even at an extremely low AgNW content. Thus, this work demonstrated a facile and efficient strategy for assembling metal nanofiber-based functional high-performance EMI shielding architectures.
    Citation
    Zeng, Z., Li, W., Wu, N., Zhao, S., & Lu, X. (2020). Polymer-Assisted Fabrication of Silver Nanowire Cellular Monoliths: Towards Hydrophobic and Ultraflexible High-Performance Electromagnetic Interference Shielding Materials. ACS Applied Materials & Interfaces. doi:10.1021/acsami.0c10492
    Sponsors
    Z.Z. and X.L. thank Nanyang Technological University, Singapore, for providing funding in the course of this work. Z.Z. and W.L. contributed equally to this work.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.0c10492
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsami.0c10492
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.0c10492
    Scopus Count
    Collections
    Articles; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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