Figure 2
From: Carbon clusters on substrate surface for graphene growth- theoretical and experimental approach

Graphitic carbon cluster. (a) a carbon atom (c), (b) six-membered ring (6-ring) and (c) seven six-membered rings (nanographene).
From: Carbon clusters on substrate surface for graphene growth- theoretical and experimental approach

Graphitic carbon cluster. (a) a carbon atom (c), (b) six-membered ring (6-ring) and (c) seven six-membered rings (nanographene).