Graphene Epoxy-Based Composites as Efficient Electromagnetic Absorbers in the Extremely High-Frequency Band

Graphene Epoxy-Based Composites as Efficient Electromagnetic Absorbers in the Extremely High-Frequency Band

We report on the synthesis of the epoxy-based composites with graphene fillers and test their electromagnetic shielding efficiency by the quasi-optic free-space method in the extremely high-frequency (EHF) band (220–325 GHz). The curing adhesive composites were produced by a scalable technique with...

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Veröffentlicht in:ACS applied materials & interfaces 2020-06, Vol.12 (25), p.28635-28644
Hauptverfasser: Barani, Zahra, Kargar, Fariborz, Godziszewski, Konrad, Rehman, Adil, Yashchyshyn, Yevhen, Rumyantsev, Sergey, Cywiński, Grzegorz, Knap, Wojciech, Balandin, Alexander A
Format: Artikel
Sprache:eng
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Applications of Polymer, Composite, and Coating Materials
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Zusammenfassung:We report on the synthesis of the epoxy-based composites with graphene fillers and test their electromagnetic shielding efficiency by the quasi-optic free-space method in the extremely high-frequency (EHF) band (220–325 GHz). The curing adhesive composites were produced by a scalable technique with a mixture of single-layer and few-layer graphene layers of few-micrometer lateral dimensions. It was found that the electromagnetic transmission, T, is low even at small concentrations of graphene fillers: T
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.0c06729