Natural pigment sensitized solar cells based on ZnO-TiO2-Fe2O3 nanocomposite in quasi-solid state electrolyte system

Nanocomposites of Zn-Ti-Fe oxide using zinc as a host with different ratios of precursor salts were prepared by co-precipitation method to use as semiconductors for dye sensitized solar cell (DSSC). The as-synthesized nanocomposites were characterized using XRD, SEM-EDX, TEM and UV-Vis spectrophotometer. DSSCs based on the new semiconductors and di-tetrabutylammoniumcis-bis(isothiocyanato)bis(2,2’-bipyridyl-4,4’-dicarboxylato)-ruthenium(II) (N719) dye has been constructed and characterized. Stability towards dissolution of deposited films of semiconductors in the acidic dye and conversion efficiency was obtained in the order of: ZnO(100%)