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Issue 103, 2016
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A flexible sandwich graphene/silver nanowires/graphene thin film for high-performance electromagnetic interference shielding

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Abstract

We report the preparation and characterization of flexible graphene/silver nanowires (AgNWs)/graphene sandwich thin films for high-performance electromagnetic interference shielding. AgNWs were sandwiched between reduced graphene oxide (rGO) films through a simple filtration process followed by reduction with hydriodic acid. The rGO/AgNWs/rGO thin films exhibited not only an excellent electrical conductivity of 64 500 S m−1 but also a larger EMI shielding value of ∼38 dB at 35 wt% AgNW content. This enhancement in electrical conductivity and EMI shielding is mainly attributed to the tight adhesion of the top and bottom graphene layers with the middle AgNW layer. In the sandwich hybrid films, the graphene layers not only provide extra pathways for electron transfer, but also block the contact between the AgNWs and oxygen, leading to a better resistance to oxidation, good electrical conductivity, and excellent mechanical flexibility.

Graphical abstract: A flexible sandwich graphene/silver nanowires/graphene thin film for high-performance electromagnetic interference shielding

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Publication details

The article was received on 22 Jul 2016, accepted on 13 Oct 2016 and first published on 13 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA18652A
Citation: RSC Adv., 2016,6, 101283-101287
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    A flexible sandwich graphene/silver nanowires/graphene thin film for high-performance electromagnetic interference shielding

    P. Kumar, F. Shahzad, S. M. Hong and C. M. Koo, RSC Adv., 2016, 6, 101283
    DOI: 10.1039/C6RA18652A

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