ORGANIC SOLAR CELLS

No free lunch for non-fullerene acceptors

Non-fullerene acceptors have successfully overcome energy losses that were thought to be unavoidable in organic solar cells based on fullerene derivatives. However, it is now shown that they have limits too.

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Fig. 1: Minimum ionization energy offset requirement for low-bandgap NFA-based OSCs.

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Correspondence to Justin M. Hodgkiss.

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Hodgkiss, J.M. No free lunch for non-fullerene acceptors. Nat. Mater. (2020). https://doi.org/10.1038/s41563-020-00836-w

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