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Open AccessArticle

Configurational Effects on Strain and Doping at Graphene-Silver Nanowire Interfaces

Department of Physics and Astronomy, University of Sussex, Brighton BN1 9RH, UK
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Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(15), 5157; https://doi.org/10.3390/app10155157
Received: 30 June 2020 / Revised: 23 July 2020 / Accepted: 24 July 2020 / Published: 27 July 2020
Graphene shows substrate-dependent physical and electronic properties. Here, we presented the interaction between single-layer graphene and silver nanowire (AgNW) in terms of physical straining and doping. We observed a snap-through event for single-layer graphene/AgNW at a separation of AgNWs of 55 nm, beyond the graphene suspended over the nanowires. The adhesion force between the Atomic Force Microscopy (AFM) tip apex and the suspended graphene was measured as higher than the conformed one by 1.8 nN. The presence of AgNW modulates the Fermi energy level of graphene and reduces the work function by 0.25 eV, which results in n-type doping. Consequently, a lateral p-n-p junction is formed with single AgNW. The correlation Raman plot between G-2D modes reveals the increment of strain in graphene of 0.05% due to the curvature around AgNW, and 0.01% when AgNW lies on the top of graphene. These results provide essential information in inspecting the physical and electronic influences from AgNW. View Full-Text
Keywords: graphene; indium tin oxide; silver nanowire; strain; doping graphene; indium tin oxide; silver nanowire; strain; doping
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MDPI and ACS Style

Lee, F.; Tripathi, M.; Lynch, P.; Dalton, A.B. Configurational Effects on Strain and Doping at Graphene-Silver Nanowire Interfaces. Appl. Sci. 2020, 10, 5157.

AMA Style

Lee F, Tripathi M, Lynch P, Dalton AB. Configurational Effects on Strain and Doping at Graphene-Silver Nanowire Interfaces. Applied Sciences. 2020; 10(15):5157.

Chicago/Turabian Style

Lee, Frank; Tripathi, Manoj; Lynch, Peter; Dalton, Alan B. 2020. "Configurational Effects on Strain and Doping at Graphene-Silver Nanowire Interfaces" Appl. Sci. 10, no. 15: 5157.

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