Comparison of Nanocomposite ZnO/TiO2 Composition Dye-Sensitized Solar Cell (DSSC) with Natural Dye Leaves of Green Mustard (Brassica rapa)

ZnO and TiO₂ are semiconductor materials used to make DSSC. In this research Dye-Sensitized Solar Cell (DSSC) manufacturing by mixing ZnO and TiO₂ materials. ZnO is made by synthesis using the sol-gel method with a mixture of zinc tetrahydrate (Zn(NO₃)₂.4H₂O), ammonium hydroxide (NH₄OH) and polyethylene glycol (PEG). In this research, the dye used was extracted leaves of green mustard (Brassica rapa) and nanocomposite ZnO/TiO₂ with ratio (1:1, 1:2, 1:3). Fabrication using FTO glass with a work area of 1cm × 1cm obtained the results of the efficiency of nanocomposite ZnO/TiO₂ (1:1) with an efficiency (η) of 0.0755%, nanocomposite ZnO/TiO₂ (1:2) with an efficiency (η) of 0.1935%, nanocomposite ZnO/TiO₂ (1:3) with an efficiency (η) of 0.2098%. (paper)