Research Article

Characterization and Treatment of Titanium Dioxide via Ultrasonic Process with Melastoma malabathricum as Sustainable Sensitizer for Photovoltaic Solar Cell

Figure 5

(a) The grain boundaries of the film for untreated TiO2 via ultrasonic process. (b) The grain boundaries of the film for treated TiO2 via ultrasonic process.
251741.fig.005a
(a)
251741.fig.005b
(b)