Effect of graphene grains size on the microwave electromagnetic shielding effectiveness of graphene/polymer multilayers

Polina P. Kuzhir; Alesia G. Paddubskaya; Nadzeya I. Volynets; Konstantin G. Batrakov; Sergey A. Maksimenko; Elena N. Golubeva; Gintaras Valusis; Tommi Kaplas; Nicolas Reckinger; Michaël Lobet; Philippe Lambin

doi:10.1117/1.JNP.11.032511

10 April 2017 Effect of graphene grains size on the microwave electromagnetic shielding effectiveness of graphene/polymer multilayers

Polina P. Kuzhir, Alesia G. Paddubskaya, Nadzeya I. Volynets, Konstantin G. Batrakov, Sergey A. Maksimenko, Elena N. Golubeva, Gintaras Valusis, Tommi Kaplas, Nicolas Reckinger, Michaël Lobet, Philippe Lambin

Author Affiliations +

Funded by: Academy of Finland, Suomen Akatemia, U.S. Air Force, U.S. Air Force through CRDF Global Agreement

Journal of Nanophotonics, Vol. 11, Issue 3, 032511 (April 2017). https://doi.org/10.1117/1.JNP.11.032511

Abstract

The influence of chemical vapor deposition (CVD) graphene grain size on the electromagnetic (EM) shielding performance of graphene/polymethyl methacrylate (PMMA) multilayers in Ka-band was studied both experimentally and theoretically. We found that increasing the average graphene grain size from 20 to 400 μm does not change the EM properties of heterostructures consisting of graphene layers sandwiched between submicron thick PMMA spacers. The independence of EM interference shielding effectiveness on the graphene grain size between 20 and 400 μm allows one to use cheaper (or more convenient regimes of CVD) graphene samples with low crystallinity and small grain size in the development of new graphene-based passive EM devices operated at high frequencies.

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Polina P. Kuzhir, Alesia G. Paddubskaya, Nadzeya I. Volynets, Konstantin G. Batrakov, Sergey A. Maksimenko, Elena N. Golubeva, Gintaras Valusis, Tommi Kaplas, Nicolas Reckinger, Michaël Lobet, and Philippe Lambin "Effect of graphene grains size on the microwave electromagnetic shielding effectiveness of graphene/polymer multilayers," Journal of Nanophotonics 11(3), 032511 (10 April 2017). https://doi.org/10.1117/1.JNP.11.032511

Received: 24 November 2016; Accepted: 17 March 2017; Published: 10 April 2017

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