A photoelectrochemical cell, semiconductor (In2O3)/dye-EDTA//redox couple/Pt, has been developed using phenosafranin dye and EDTA aqueous solution in one compartment and Cu+/Cu2+, Fe(CN)64-/Fe(CN)63-, I-/I2, and Fe2+/Fe3+in the other compartment of an H-shaped cell separated by a glass membrane. All the cell characteristics such as open-circuit voltage, short-circuit current, fill factor, power efficiency, and solar energy efficiency have been determined. There is 2-3-fold increase of efficiency of the cell compared to the same cell with illuminated Pt electrode. © 1993.
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