Photosensitive Red-Violet dye having excellent photoelectric conversion efficiency as a metal-free dye.
Efficiency of DSSC device - η > 6.7%
Cell area: 0.25 cm2 (0.5 cm × 0.5 cm)
TiO2 Thickness: 5 μm
TiO2: screen printing
Electrolyte: 0.1 M LiI; 0.05 M I2; 0.6 M Dimethyl propylimidazolium
Iodide; 0.05 M t-Butylpyridine in 3-Methoxypropionitrile
Light source: AM1.5
Counter Electrode: Pt/Cr spatter glass
Dye adsorption: 30 °C/ in 3 hr. (t-BuOH/acetonitrile soln.)