Simultaneously grasping and self-organizing photoactive polymers for highly reproducible organic solar cells with improved efficiency

Hyojung Cha, Gang Young Lee, Yuanhe Fu, Yu Jin Kim, Chan Eon Park, Taiho Park

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The incorporation of 3,6-carbazole units into photoactive copolymers results in conjugation breaks along the polymer backbones and thus in strong intermolecular interactions. Such copolymers provide thermally reproducible morphologies and enhanced device performances over a wide range of annealing temperatures, 100 to 160 °C, with high power conversion efficiencies of over 6%.

Original languageEnglish
Pages (from-to)1018-1024
Number of pages7
JournalAdvanced Energy Materials
Volume3
Issue number8
DOIs
StatePublished - Aug 2013

Keywords

  • 2, 7-Carbazole
  • 3, 6-Carbazole
  • charge transport
  • D-π-A-type copolymer
  • photovoltaic devices

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