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Keywords:

  • Fullerenes;
  • Ink-jet printing;
  • Photovoltaics;
  • Polymers;
  • Solar cells
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Organic photovoltaics (OPVs) are compatible with printing processes. We show that inkjet printing technology can be used for the fabrication of high- efficiency OPVs. The appropriate selection of organic solvent mixture creates an ultrasmooth inkjet printed active layer with intimate morphology and interfaces for efficient performance (see figure). We report 3% power- conversion-efficiency organic solar cells with inkjet printed polymer: fullerene blend photoactive layer.