A new dithienosilole-based oligothiophene with methyldicyanovinyl groups for high performance solution-processed organic solar cells

Y.N. Luponosov, J. Min, T. Ameri, C.J. Brabec, S.A. Ponomarenko

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A new linear dithienosilole-based oligothiophene end-capped with methyl and electron-withdrawing dicyanovinyl groups, DTS(Oct)2-(2T-DCV-Me)2, was prepared in good yield. This oligomer exhibited broad absorption spectra in bulk down to the near-IR region with the optical edge at 900 nm, resulting in an initially high power conversion efficiency of 5.44% in solution-processed organic solar cells using PC71BM as an acceptor. © 2014 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)3800-3804
Number of pages5
JournalOrganic Electronics
Volume15
Issue number12
DOIs
Publication statusPublished - 2014

Keywords / Materials (for Non-textual outputs)

  • Oligomers
  • Solar cells
  • Dicyanovinyl groups
  • Donor acceptors
  • Electronwithdrawing
  • High power conversion
  • Near-IR regions
  • Oligothiophenes
  • Small molecules
  • Solution-processed
  • Organic solar cells

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