Fig. 6

(a) Photocatalytic degradation of MB using bare and Cu-doped BiVO4. (b) pseudo-first-order kinetic plots (− ln(C/C₀) versus time). Error bars represent the standard deviation (SD) from triplicate measurements.

(a) Photocatalytic degradation of MB using bare and Cu-doped BiVO4. (b) pseudo-first-order kinetic plots (− ln(C/C₀) versus time). Error bars represent the standard deviation (SD) from triplicate measurements.