An Analytical Model for Adsorption and Diffusion of Atoms/Ions on Graphene Surface

Figure 1

Schematics of the graphene where (a) the rhombus connecting the centers of four adjacent hexagonal is selected as a two-dimensional primitive unit cell; (b) hexagon with three particular adsorption sites: hollow (on top of a hexagon, H-), top (on top of a C-C bond, T-), and bridge (on top of a carbon atom, B-).

(a)

(b)