Research Article

Biotemplated Synthesis of Titanium Oxide Nanoparticles in the Presence of Root Extract of Kniphofia schemperi and Its Application for Dye Sensitized Solar Cells

Figure 9

UV-Vis spectra (a) and Tauc plot of TiO2 NPs (b) with (I) 2 : 3, (II) 1 : 1, and (III) 3 : 2 precursor volume ratios.
(a)
(b)