Characterization and Treatment of Titanium Dioxide via Ultrasonic Process with Melastoma malabathricum as Sustainable Sensitizer for Photovoltaic Solar Cell
Figure 14
Graph of the average values of potential (V) at noon (12–1 pm) upon sunlight illumination for ten days where respective cell; metal oxide; U1 and U2 (without and with additive, resp.), treated metal oxide with ultrasonic; U3 and U4 (without and with additive, resp.).