Tunable SnO₂ Nanoribbon by Electric Fields and Hydrogen Passivation

Figure 8

Band structure and the corresponding charge densities for CBM (right upper) and VBM (right lower) of Z-SnO₂NRs-2H at 0 v/Ǻ (a) and 0.13 v/Ǻ (b). The isosurface is 5.0 × 10⁻³ e/Ǻ³. The Fermi level is shifted to zero.

(a)

(b)