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Keywords:

  • Conjugated polymers;
  • Fullerenes;
  • Photovoltaic devices;
  • Solar cells
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Polymeric materials are promising for solar cell applications. High-molecular-weight and soluble poly[N-9'-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di- 2-thienyl-2',1',3'-benzothiadiazole)] is synthesized by either a Stille or Suzuki coupling reaction. Electrochemical and optical characterization of this thermally and air-stable polymeric material is reported, and bulk heretojunction polymer/fullerene photovoltaic devices are fabricated.