Review Article

Use of Different Natural Products to Control Growth of Titanium Oxide Nanoparticles in Green Solvent Emulsion, Characterization, and Their Photocatalytic Application

Figure 6

UV-Vis absorption spectra of (a) Echinacea purpurea herba-, (b) Hibiscus flower-, and (c) Aloe vera-extract-mediated synthesized TiO2 NPs [68, 69, 73].
(a)
(b)
(c)