Organic photovoltaics

Strong absorption in stiff polymers

Greater rigidity of conjugated polymer backbones increases their light-harvesting ability, making them better performers in solar-cell applications.

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Figure 1: Plot of experimentally measured optical extinction coefficients for conjugated polymers with varying persistence lengths (increasing from the light blue to the dark blue curve).

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Correspondence to John Grey.

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Grey, J. Strong absorption in stiff polymers. Nature Mater 15, 705–706 (2016). https://doi.org/10.1038/nmat4666

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