Polyterthiophenes as donors for polymer solar cells

Markus Koppe, Markus Scharber, Christoph Brabec, Warren Duffy, Martin Heeney, Iain McCulloch

Research output: Contribution to journalArticlepeer-review

89 Scopus citations


Thiophene-containing polymers blended with fullerenes have recently demonstrated impressively high photovoltaic efficiencies. One drawback of this class of polymers is their relatively low ionization potential, which leads to rather low open-circuit voltages. Polyterthiophenes belong to a material class that has recently captured a large amount of interest for polymer electronic applications because of its excellent transport properties. Because of the slightly lower ionization potential, this material class appears more attractive for photovoltaic applications than polythiophenes. In this work, the photovoltaic performance of bulk heterojunction solar cells from polyterthiophene/fullerene composites is discussed and compared to the polymer/fullerene blend morphology.

Original languageEnglish (US)
Pages (from-to)1371-1376
Number of pages6
JournalAdvanced Functional Materials
Issue number8
StatePublished - May 21 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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