Research Article

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

Figure 3

Reflectance spectra of samples CuO-1, CuO-2, and CuO-3 prepared by using extracts of Cauliflower, Potatoes peels, and Peas peels wastes, respectively; the graph in inset shows the modified Kubelka-Munk curves drawn by plotting versus .