Figure 6From: Bimetallic core/shell nanoparticle-decorated 3D urchin-like hierarchical TiO2 nanostructures with magneto-responsive and decolorization characteristics UV-visible absorption spectra of MB after interaction with hierarchical TiO 2 , Co@Au/TiO 2 , and Co@Ag/TiO 2 nanostructures. The spectra were measured after daylight lamp irradiation for 15 min.Back to article page