Morphology of polymer / fullerene bulk heterojunction solar cells

  title={Morphology of polymer / fullerene bulk heterojunction solar cells},
  author={H. Hoppe and Niyazi Serdar Sariciftci},
Within the different organic photovoltaic devices the conjugated polymer/fullerene bulk heterojunction approach is one of the foci of today’s research interest. These devices are highly dependent on the solid state nanoscale morphology of the two components (donor/acceptor) in the photoactive layer. The need for finely phase separated polymer–fullerene blends is expressed by the limited exciton diffusion length present in organic semiconductors. Typical distances that these photo-excitations… CONTINUE READING
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