High-efficiency solution processable polymer photovoltaic cells by self-organization of polymer blends

We report highly efficient polymer solar cells based on a bulk heterojunction of polymer poly(3-hexylthiophene) and methanofullerene

Gang Li; Vishal Shrotriya; Jinsong Huang; Yan Yao; Tom Moriarty; Keith Emery; Yang Yang

2006

Scholarcy highlights

  • Converting solar energy into electricity provides a much-needed solution to the energy crisis the world is facing today
  • Significant efforts are underway to improve their efficiency to the level of practical applications
  • We report highly efficient polymer solar cells based on a bulk heterojunction of polymer poly(3-hexylthiophene) and methanofullerene
  • Together with increased absorption in the active layer, this results in much-improved device performance, in external quantum efficiency
  • The solution process involved ensures that the fabrication cost remains low and the processing is simple
  • The high efficiency achieved in this work brings these devices one step closer to commercialization

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