Organic electroluminescent diodes

  • Zhao Y
  • Wang X
  • Shu F
 et al. 
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(2,7-bis[5???-(9,9-dioctylfluorene-2-yl)-2,2???-dithienyl-5-yl]-9, 9-dioctylfluorene) (F3Th4) was used as a secondary electron donor material in the poly(3-hexylthiophene) (P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) bulk-heterojunction photovoltaic cell. It is shown that the combination of F3Th4 with P3HT allows strong light absorption. The mechanism of charge transfer in the multi-donor PV cell was investigated; it shows that efficient energy transfer takes place from F3Th4 to P3HT. However, the short-circuit current (JSC) of the multi-donor bulk-heterojunction photovoltaic (PV) cell still decreased. The possible reason for the smaller photocurrent is worsening of transport property after addition of F3Th4. ?? 2010 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Conjugated polymer
  • Conjugated polymers
  • Energy transfer
  • Flexible polymer solar cells
  • Fullerene
  • Multi-donor
  • Photovoltaic cells
  • Poly(3-hexylthiophene) (P3HT)

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  • Yun Zhao

  • Xingyong Wang

  • Fangliang Shu

  • Dirk Veldman

  • Stefan C J Meskers

  • René a J Janssen

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