Acceptor energy level control of charge photogeneration in organic donor/acceptor blends

Safa Shoaee, Tracey M. Clarke, Chun Huang, Stephen Barlow, Seth R. Marder, Martin Heeney, Iain McCulloch, James R. Durrant

Research output: Contribution to journalArticlepeer-review

125 Scopus citations


In this paper we focus upon the role of interfacial energetics in influencing the separation of charge transfer states into dissociated charge carriers in organic donor/acceptor blend films. In particular, we undertake transient optical studies of films comprising regioregular poly(3- hexylthiophene) (P3HT) blended with a series of perylene-3,4:9,10- tetracarboxydiimide (PDI) electron acceptors. For this film series, we observe a close correlation between the PDI electron affinity and the efficiency of charge separation. This correlation is discussed in the context of studies of charge photogeneration for other organic donor/acceptor blend films, including other polymers, blend compositions, and the widely used electron acceptor 3′-phenyl-3′H-cyclopropa[1,9](C60-Ih)[5,6] fullerene-3′-butanoic acid methyl ester (PCBM). © 2010 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)12919-12926
Number of pages8
JournalJournal of the American Chemical Society
Issue number37
StatePublished - Sep 22 2010
Externally publishedYes

Bibliographical note

Generated from Scopus record by KAUST IRTS on 2023-02-14

ASJC Scopus subject areas

  • Biochemistry
  • Colloid and Surface Chemistry
  • General Chemistry
  • Catalysis


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