Novel small oligothiophene molecules with phenylene and naphthalene cores as promising absorber materials for organic solar cells

Ilya E. Kuznetsov, Petr M. Kuznetsov, Andrey V. Maskaev, Alexander V. Akkuratov, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

New small molecules bearing either phenylene or naphthalene core in combination with thiophene and rhodanine periphery moieties were synthesized by the Stille cross-coupling reaction. Their evaluation for prototypes of organic solar cells showed that replacing phenylene moiety by the naphthalene one caused decrease in the HOMO energy, while the open-circuit voltage and fill factors of solar cells based on these materials were significantly improved to manifest maximum power conversion efficiencies to 5.3%.

Original languageEnglish
Pages (from-to)683-685
Number of pages3
JournalMendeleev Communications
Volume30
Issue number5
DOIs
Publication statusPublished - 1 Sep 2020

Keywords

  • naphthalene
  • organic solar cells
  • rhodanine
  • Stille cross-coupling
  • thiophene

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