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Synergistic effect of graphene nanosheets and carbonyl iron nickel alloy hybrid fillers on electromagnetic interference shielding and thermal conductivity of cyanate ester composites

Abstract

In this work, a promising cyanate ester nanocomposite with excellent electromagnetic interference shielding effectiveness (EMI SE) and high thermal conductivity was fabricated by compounding graphene nanosheets (GNSs) and magnetic carbonyl iron nickel alloy powders (CINAP) via a solution blending method and subsequently hot-pressing. The obtained 5wt% GNSs/cyanate ester (CE) nanocomposite possesses the outstanding EMI SE of 38 dB, and this property was synergistically enhanced to reach the value of 55 dB with the present of 20 wt% CINAP. In addition, the GNSs/CINAP/CE nanocomposite with 5wt% GNSs and 15wt% CINAP exhibits high thermal conductivity (K=4.13 W/m K). This synergistic enhancement was significantly affected by the formation of efficient 3D electric and thermally conductive pathways as well as the dispersion of the incorporated fillers. This highly thermally conducting CE nanocomposite with efficient EMI shielding properties are potential to be used in advanced electronic packaging.

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Publication details

The article was received on 15 Nov 2017, accepted on 10 Jan 2018 and first published on 10 Jan 2018


Article type: Paper
DOI: 10.1039/C7TC05213H
Citation: J. Mater. Chem. C, 2018, Accepted Manuscript
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    Synergistic effect of graphene nanosheets and carbonyl iron nickel alloy hybrid fillers on electromagnetic interference shielding and thermal conductivity of cyanate ester composites

    F. Ren, D. Song, Z. Li, L. Jia, Y. Zhao, D. Yan and P. Ren, J. Mater. Chem. C, 2018, Accepted Manuscript , DOI: 10.1039/C7TC05213H

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