Graphene Doping Induced Tunability of Nanoparticles Plasmonic Resonances
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Interest in graphene has been widely increasing since its discovery in 2004. Research on graphene for plasmonic applications has also boomed due to the high potential of these systems. In this article, we discuss the possible interaction between metallic NPs and graphene monolayer. We show how the contact between metallic NPs and graphene results in graphene doping. More importantly, we experimentally put into evidence the possible modulation of the plasmonic resonance of NPs by graphene doping. Understanding and evidencing this interaction is highly important both from a fundamental point of view and for specific applications such as active plasmonic devices.
KeywordsGraphene Doping Metallic nanoparticles Plasmonic resonance
Financial support of NanoMat (www.nanomat.eu) by the “Ministère de l’enseignement supérieur et de la recherche,” the “Conseil régional Champagne-Ardenne,” the “Fonds Européen de Développement Régional (FEDER) fund,” and the “Conseil général de l’Aube” is acknowledged. T. M thanks the DRRT (Délégation Régionale à la Recherche et à la Technologie) of Champagne-Ardenne, the Labex ACTION project (contract ANR-11-LABX-01-01) and the CNRS via the chaire « optical nanosensors » for the financial support. This work was performed in the context of the COST Action MP1302 Nanospectroscopy.
The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript. RN performed the experimental work and the analysis of the results; GL performed the simulations and the analysis of the results. PMA, GL, and TM supervised this work and the analysis of the results.
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