Mechanism of strength reduction along the graphenization pathway.

Abstract

Even though polycrystalline graphene has shown a surprisingly high tensile strength, the influence of inherent grain boundaries on such property remains unclear. We study the fracture properties of a series of polycrystalline graphene models of increasing thermodynamic stability, as obtained from a long molecular dynamics simulation at an elevated… (More)
DOI: 10.1126/sciadv.1501009

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