Research Article

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

Figure 8

(a) Thickness and surface roughness of untreated TiO2 thin film by Surface Profiler (width = 1567.8 µm, height = −11.487 µm, TIR = 35.649 µm). (b) Thickness and surface roughness of treated TiO2 thin film by Surface Profiler (width = 654.72 µm, height = −6.2984 µm).
251741.fig.008a
(a)
251741.fig.008b
(b)