Research Article
Steric and Solvent Effect in Dye-Sensitized Solar Cells Utilizing Phenothiazine-Based Dyes
Scheme 1
Synthesis route of phenothiazine (PT). Dyes: (i) KOC (CH3)3, THF, 66°C, 18 h; (ii) DMF, CHCl3, 0°C, phosphorus oxychloride, reflux overnight; (iii) cyanoacetic acid, NH4OAc, AcOH, 90–100°C.
