Figure 2.
Calculated band structures of (a) pristine graphene, (b) trans-DR1P on graphene, and (c) cis-DR1P on graphene, respectively. Γ = (0, 0), K = (π/3a, 2π/3a), M = (0, π/2a), where a = 17.220 Å. The Fermi level is shifted to 0 eV (red dashed line).