Research Article

Influence of the Sol-Gel pH Process and Compact Film on the Efficiency of T i O 𝟐 -Based Dye-Sensitized Solar Cells

Figure 1

Scanning electron micrographs of TiO2 nanoparticles obtained by acid (a) or alkaline (b) routes on FTO.
638571.fig.001a
(a)
638571.fig.001b
(b)