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Abstract
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Graphene, a two-dimensional (2D) sheet of sp2-hybridized carbon atoms packed into a honeycomb lattice, has led to an explosion of interest in the field of materials science, physics, chemistry, and biotechnology since the few-layers graphene (FLG) flakes were isolated from graphite in 2004. 1− 4 Apart from other carbon allotropes, ie, fullerenes, carbon nanotubes, and graphite, graphene exhibits a myriad of unique chemical and physical properties.
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