Abstract:Inverted architecture organic solar cells are potentially attractive, due to their long-term stability. However, this type of architecture is poorly applied in small-molecule solar cells, due to lower power conversion efficiencies (PCEs), usually caused by low fill factors. Here, the initially low fill factor of the inverted architecture small-molecule solar cells based on a DPP(TBFu) 2 :PC 60 BM blend is augmented by the inserted fullerene layer at the cathode, thus resulting in the efficient charge extractio… Show more
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