Greatcell Energy’s Z907 Hydrophobic Dye very efficiently sensitises wide band-gap oxide semiconductors, like titanium dioxide. Greatcell energy’s Z907 Hydrophobic Dye offers guaranteed performance, high reproducibility, stable/consistent results, and is of the highest purity. Recommended application in 0.2-0.3mM concentration in acetonitrile/tert-butanol (1:1, vol:vol).