Figure 5

Mott–Schottky plots. Variation of capacitance (C) with the applied potential in a Na2SO4 aqueous solution (with 0.5 M and pH = 6.6), as extracted from the Mott–Schottky experiments conducted on the BVO film at different frequencies.
Mott–Schottky plots. Variation of capacitance (C) with the applied potential in a Na2SO4 aqueous solution (with 0.5 M and pH = 6.6), as extracted from the Mott–Schottky experiments conducted on the BVO film at different frequencies.