Structural factors that affect the performance of organic bulk heterojunction solar cells

  • Vandewal K
  • Himmelberger S
  • Salleo A
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The performance of polymer:fullerene solar cells is strongly affected by the active layer morphology and polymer microstructure. In this Perspective, we review ongoing research on how structural factors influence the photogeneration and collection of charge carriers as well as charge carrier recombination and the related open-circuit voltage. We aim to highlight unexplored research opportunities and provide some guidelines for the synthesis of new conjugated polymers for high-efficiency solar cells.

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  • Koen Vandewal

  • Scott Himmelberger

  • Alberto Salleo

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