Mechanical properties and electronic structure of edge-doped graphene nanoribbons with F, O, and Cl atoms

Literature Information

Publication Date 2017-07-18
DOI 10.1039/C7CP02948A
Impact Factor 3.676
Authors

Sebastián Piriz, Luciana Fernández-Werner, Helena Pardo, Ricardo Faccio, Álvaro W. Mombrú


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Abstract

In this study, we present the structural, electronic, and mechanical properties of edge-doped zigzag graphene nanoribbons (ZGNRs) doped with fluorine, oxygen, and chlorine atoms. To the best of our knowledge, to date, no experimental results concerning the mechanical properties of graphene-derived nanoribbons have been reported in the literature. Simulations indicate that Cl- and F-doped ZGNRs present an equivalent 2-dimensional Young's modulus E2D, which seems to be higher than those of graphene and H-doped ZGNRs. This is a consequence of the electronic structure of the system, particularly originating from strong interactions between the dopant atoms localized at the edges. The interaction between dopant atoms located at the edges is higher for Cl and lower for F and O atoms. This is the origin of the observed trend, in which E2DCl > E2DF > E2DO for all the analyzed ZGNRs.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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