Improving the efficiency of copper-dye-sensitized solar cells by manipulating the electrolyte solution

The use of a copper( i ) dye, bearing a 2,9-dimesityl-1,10-phenanthroline and a 6,6′-dimethyl-2,2′-bipyridine-4,4′-dibenzoic acid, was investigated in DSSCs with various electrolyte solutions based on two different redox mediators, namely the common I − /I 3 − couple and an interesting copper electr...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2019-07, Vol.48 (26), p.9818-9823
Main Authors: Colombo, Alessia, Dragonetti, Claudia, Fagnani, Francesco, Roberto, Dominique, Melchiorre, Fabio, Biagini, Paolo
Format: Article
Language:English
Subjects:
Additives
Copper
Dye-sensitized solar cells
Dyes
Electrolytes
Electrolytic cells
Lithium
Photovoltaic cells
Spacecraft components
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Summary:The use of a copper( i ) dye, bearing a 2,9-dimesityl-1,10-phenanthroline and a 6,6′-dimethyl-2,2′-bipyridine-4,4′-dibenzoic acid, was investigated in DSSCs with various electrolyte solutions based on two different redox mediators, namely the common I − /I 3 − couple and an interesting copper electron shuttle. The experimental results provide evidence of the importance of the redox mediator concentration and the crucial role of additives such as 4- tert -butylpyridine and lithium bis(trifluoromethanesulfonyl)imide in the performance of sustainable "full-copper" DSSCs, consolidating the way to DSSCs with Earth-abundant components. The crucial role of tert -butylpyridine and lithium bis(trifluoromethanesulfonyl)imide in the performance of sustainable "full-copper" DSSCs.
ISSN:1477-9226
1477-9234
DOI:10.1039/c9dt01448a