A mechanistic understanding of processing additive-induced efficiency enhancement in bulk heterojunction organic solar cells

Kristin Schmidt, Christopher J. Tassone, Jeremy R. Niskala, Alan T. Yiu, Olivia P. Lee, Thomas M. Weiss, Cheng Wang, Jean Frechet, Pierre Beaujuge, Michael F. Toney

Research output: Contribution to journalArticlepeer-review

121 Scopus citations

Abstract

The addition of processing additives is a widely used approach to increase power conversion efficiencies for many organic solar cells. We present how additives change the polymer conformation in the casting solution leading to a more intermixed phase-segregated network structure of the active layer which in turn results in a 5-fold enhancement in efficiency. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)300-305
Number of pages6
JournalAdvanced Materials
Volume26
Issue number2
DOIs
StatePublished - Oct 31 2013

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Mechanical Engineering

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