Journal of Nanomaterials / 2015 / Article / Fig 3

Research Article

Highly Sensitive CO Gas Sensor from Defective Graphene: Role of van der Waals Interactions

Figure 3

Top and side views of (a) the penta-graphene sheet, (b) to (d) CO adsorbed on the penta-graphene sheet at different sites. The adsorption energies are also shown in the figure.