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Keywords:

  • Paper;
  • Printed Electronics;
  • Polymers;
  • Fullerenes;
  • Organic Photovoltaics;
  • Roll-to-Roll
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Polymer/fullerene solar cells are printed on paper using a combination of gravure and flexographic printing techniques. The printed paper photovoltaic cells are free from expensive electrodes made with indium–tin oxide, silver, or gold. Oxidized zinc film is used as the electron-collecting layer.