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Exceptional Electromagnetic Shielding Efficiency of Silver Coated Carbon Fiber Fabrics via Roll-to-Roll Spray Coating Process

Abstract

We report exceptionally high electromagnetic interference (EMI) shielding effectiveness (SE) for flexible weaved carbon fiber fabrics (CFFs), which were spray-coated with Ag nanoparticle ink without surface modification of CFFs substrate. CFFs spray coated with Ag on a roll-to-roll (R2R) platform with a total composite thickness of 460 μm exhibited remarkable EMI SE of 102 dB, with a density of 0.52 g/cm3. The specific EMI SE and absolute EMI SE obtained were 194 dB∙cm3/g and 4266 dB∙cm2/g, respectively. These results suggest that R2R spray coating of conductive metal inks such as Ag on CFFs is an economical, promising, and scalable approach for manufacturing fabrics with exceptional EMI SE.

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Supplementary files

Article information


Submitted
27 Apr 2020
Accepted
29 Jun 2020
First published
29 Jun 2020

J. Mater. Chem. C, 2020, Accepted Manuscript
Article type
Paper

Exceptional Electromagnetic Shielding Efficiency of Silver Coated Carbon Fiber Fabrics via Roll-to-Roll Spray Coating Process

J. Park, X. Hu, M. Torfeh, U. Okoroanyanwu, A. Arbabi and J. J. Watkins, J. Mater. Chem. C, 2020, Accepted Manuscript , DOI: 10.1039/D0TC02048F

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