Comparative Study of SnO2 and ZnO Semiconductor Nanoparticles (Synthesized Using Randia echinocarpa) in the Photocatalytic Degradation of Organic Dyes. - Manuel J. Chinchillas-Chinchillas; Horacio Edgardo Garrafa Gálvez; Victor M. Orozco-Carmona; Priscy A. Luque-Morales (Symmetry, 2022)