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Analysis of Industrial Graphene-Based Flakes – First Results on Morphological Characterization, Sample Preparation and Chemical Composition

Graphene is a carbon allotrope arranged in a 2D single atom layer structure where the carbon atoms are packed in a hexagonal honeycomb structure. The carbon covalent bonds are sp2 hybridized in which the σ bond (in-plane) is responsible for the high mechanical properties of graphene, while the π bond (out-of-plane) contributes to the electron delocalization of graphene. This latter mechanism is responsible for the extraordinary electrical and thermal properties [1].