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Dye-sensitized solar cells

Out with both baby and bathwater

After two decades of research, the efficiency of dye-sensitized solar cells seems to have reached a plateau. Now, changing both electrolyte and dye opens up new opportunities that offer the hope that the efficiency ceiling can be broken.

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Figure 1: A schematic representation of a dye-sensitized solar cell, emphasizing the redox cycles of the dye/sensitizer (D, D*, D+) and the electrolyte (Ox/Red).

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Elliott, C. Out with both baby and bathwater. Nature Chem 3, 188–189 (2011). https://doi.org/10.1038/nchem.986

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