Synthesis of the (X-DADAD)n-type conjugated polymers with 2,1,3-benzoxadiazole acceptor blocks and their application in organic solar cells

Alexander V. Akkuratov, Fedor A. Prudnov, Liana N. Inasaridze, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Two polymers with benzoxadiazole acceptor units were synthesized and investigated as electron donor materials in organic solar cells. Variation of the alkyl substituents was shown to significantly affect the optoelectronic properties of the polymers. In particular, the polymer HOMO energy level was lowered by 0.1 eV, while maintaining the same band gap, by replacement of the 2-ethylhexyl side-chains with the 2-hexyldecyl group. This modification also resulted in a higher open circuit voltage of the solar cells.

Original languageEnglish
Pages (from-to)97-100
Number of pages4
JournalTetrahedron Letters
Volume58
Issue number1
DOIs
Publication statusPublished - 2017

Keywords

  • Benzoxadiazole
  • Conjugated polymers
  • Organic solar cells
  • Thiophene

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