Abstract
Grätzel cells mimic the process of plant photosynthesis, and these new dye-sensitized cells take the imitation even closer, the new chemical combination gives them a greenish tint. Pt/TiO2/Dye modified electrode shows two pair of oxidation peaks at 256 and 474 mV which is ascribed to Fe3+/Fe2+ and a reduction peak of 210 mV which is ascribed to TiO2/Dye. The internal resistance of the DSSC shows the dye can be strongly adsorbed to the surface of TiO2, therefore Pt/TiO2/Dye electrode transfers electron with very minimal resistance making the dye a good sensitizer material for DSSCs. The high voltage is as a result of the impregnation of the dye on the TiO2. An investigation into the internal resistance of the DSSC shows the dye can be strongly adsorbed to the surface of TiO2, therefore Pt/TiO2/Dye electrode transfers electron with very minimal resistance making the dye a good sensitizer material for DSSCs.
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