Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Dye_Sensitized_Solar_Cell_Scheme.png/310px-Dye_Sensitized_Solar_Cell_Scheme.png
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Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Dye_Sensitized_Solar_Cell_Scheme.png/310px-Dye_Sensitized_Solar_Cell_Scheme.png