Use of Vegetable Waste Extracts for Controlling Microstructure of CuO Nanoparticles: Green Synthesis, Characterization, and Photocatalytic Applications

Figure 4

(a) Absorption spectra with time of MB dye solution irradiated in presence of CuO-1 photocatalyst; inset is the absorption spectra of MB dye solution irradiated in presence of photocatalysts CuO-2 and CuO-3 and (b) plots of relative conc. versus irradiation time; inset is the percent MB dye degraded as a function of irradiation time.

(a)

(b)