Germaindacenodithiophene based low band gap polymers for organic solar cells

  • Zhuping Fei
  • , Raja Shahid Ashraf
  • , Zhenggang Huang
  • , Jeremy Smith
  • , R. Joseph Kline
  • , Pasquale D’angelo
  • , Thomas D. Anthopoulos
  • , James R. Durrant
  • , Iain McCulloch
  • , Martin Heeney

Research output: Contribution to journalArticlepeer-review

Abstract

We report the first synthesis of a fused germaindacenodithiophene monomer and its polymerisation with 2,1,3-benzothiadiazole by Suzuki polycondensation. The resulting polymer, PGeTPTBT, is semicrystalline, despite the presence of four bulky 2-ethylhexyl groups. Blends with P70CBM afford solar cells with efficiencies of 5.02%.

Original languageEnglish (US)
Pages (from-to)2955-2957
Number of pages3
JournalChemical Communications
Volume48
Issue number24
DOIs
StatePublished - Feb 22 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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