Direct measurements of exciton diffusion length limitations on organic solar cell performance

Derek R. Kozub, Kiarash Vakhshouri, Sameer Vajjala Kesava, Cheng Wang, Alexander Hexemer, Enrique D. Gomez

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

Through a combination of X-ray scattering and energy-filtered electron microscopy, we have quantitatively examined the relationship between the mesostructure of the photoactive layer and device performance in PBTTT/PC71BM solar cells. We can predict device performance from X-ray structural data through a simple morphological model which includes the exciton diffusion length.

Original languageEnglish (US)
Pages (from-to)5859-5861
Number of pages3
JournalChemical Communications
Volume48
Issue number47
DOIs
StatePublished - May 17 2012

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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