Summary

Although the efficiency of organic solar cells has now risen to more than 20%, there are physical limits that make it difficult to further increase their performance. A research team from Linköping University in Sweden, the University of Potsdam, the Paul-Drude-Institut in Berlin and other collaborators has now demonstrated which physical processes limit a key parameter in the performance of organic solar cells. This opens up the possibility of overcoming the long-standing efficiency limits of organic solar cells.

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