Scientists at the University of Basel have found a way to change the spatial arrangement of bipyridine molecules on a surface.

These potential components of dye-sensitized solar cells form complexes with metals and thereby alter their chemical conformation.

The results of this interdisciplinary collaboration between chemists and physicists from Basel were recently published in the scientific journal ACS Omega.

Dye-sensitized solar cells have been considered a sustainable alternative to conventional solar cells for many years, even if their energy yield is not yet fully satisfactory.

The efficiency can be increased with the use of tandem solar cells, where the dye-sensitized solar cells are stacked on top of each other.

The way in which the dye, which absorbs sunlight, is anchored to the semiconductor plays a crucial role in the effectiveness of these solar cells.

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