Fig. 6From: Two-Solvent Method Synthesis of NiO/ZnO Nanoparticles Embedded in Mesoporous SBA-15: Photocatalytic Properties StudyUV-vis absorption spectra of 30 % ZnO/SBA-15 and NiO/ZnO/SBA-15 nanocomposites with different NiO/ZnO loading: (a) 20 % NiO/ZnO/SBA-15, (b) 30 % NiO/ZnO/SBA-15, and (c) 40 % NiO/ZnO/SBA-15Back to article page