Fig. 6.
Mott-Schottky plots of pure P25 and Co3O4-coated P25 in 1 M NaOH aqueous solution with frequencies of 1 and 2 kHz in the dark
Mott-Schottky plots of pure P25 and Co3O4-coated P25 in 1 M NaOH aqueous solution with frequencies of 1 and 2 kHz in the dark