Influence of the isomeric composition of the acceptor on the performance of organic bulk heterojunction P3HT: bis-PCBM solar cells

  • Ricardo K.M. Bouwer
  • , Gert-Jan A.H. Wetzelaer
  • , Paul W.M. Blom
  • , Jan C. Hummelen*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

30 Citations (Scopus)
2 Downloads (Pure)

Abstract

We synthesized three isomeric subpopulations of bisadduct analogues of [6,6]-phenyl-C-61-butyric acid methyl ester (bis-PCBM) via tether-directed control. Bulk heterojunction solar cells prepared using these isomers together with poly(3-hexylthiophene) (P3HT) resulted in an increase of J(sc) from 72.4 to 79.6 A m(-2), and an improvement in fill factor from 0.55 to 0.62, both with a V-oc of 0.72 V resulting in an overall enhancement of the power conversion efficiency (PCE) from 2.9% to 3.5%, compared to conventional bis-PCBM.

Original languageEnglish
Pages (from-to)15412-15417
Number of pages6
JournalJournal of Materials Chemistry
Volume22
Issue number30
DOIs
Publication statusPublished - 2012

Keywords

  • DIRECTED REMOTE FUNCTIONALIZATION
  • FULLERENE CHEMISTRY
  • C-60
  • BISADDUCTS

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