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Issue 17, 2013
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Unravelling suitable graphene–metal contacts for graphene-based plasmonic devices

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Abstract

Plasmonic excitations in pristine and air-exposed graphene–Ru and graphene–Pt contacts have been investigated by using high-resolution electron energy loss spectroscopy. Loss measurements show that the effects of air exposure are very different in these two systems. While in graphene–Ru contacts, plasmons are completely quenched, plasmons in the graphene–Pt interface show only a frequency shift together with an overall intensity attenuation. These results pose significant questions as regards the stability in an ambient air atmosphere of graphene-based plasmonic devices and indicate a suitable choice of graphene–metal contacts.

Graphical abstract: Unravelling suitable graphene–metal contacts for graphene-based plasmonic devices

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Publication details

The article was received on 24 Apr 2013, accepted on 18 Jun 2013 and first published on 27 Jun 2013


Article type: Paper
DOI: 10.1039/C3NR02027D
Citation: Nanoscale, 2013,5, 8215-8220
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    Unravelling suitable graphene–metal contacts for graphene-based plasmonic devices

    A. Politano and G. Chiarello, Nanoscale, 2013, 5, 8215
    DOI: 10.1039/C3NR02027D

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