Fig. 7From: Visible light functioning photocatalyst based on Al2O3 doped Mn3O4 nanomaterial for the degradation of organic toxinUV-visible spectrum of Al2O3 doped Mn3O4 nanomaterial (a), (αhν) 2 vs. hν plot of Al2O3 doped Mn3O4 nanomaterial (b), UV-visible spectrum of Mn3O4 nanoparticles (c), and (αhν) 2 vs. hν plot of Mn3O4 nanoparticles (d)Back to article page