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Photovoltaic performance of an ultrasmall band gap polymer

Zoombelt, A. P., Fonrodona, M., Wienk, M. M., Sieval, A. B., Hummelen, J. C. & Janssen, R. A. J., 19-Feb-2009, In : Organic letters. 11, 4, p. 903-906 4 p.

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DOI

  • Arjan P. Zoombelt
  • Marta Fonrodona
  • Martijn M. Wienk
  • Alexander B. Sieval
  • Jan C. Hummelen
  • Rene A. J. Janssen

A conjugated polymer (PBTTQ) that consists of alternating electron-rich bithiophene and electron-deficient thiadiazoloquinoxaline units was synthesized via Yamamoto polymerization with Ni(cod)(2) and provides a band gap of 0.94 eV. This represents one of the smallest band gaps obtained for a soluble conjugated polymer. When applied in a bulk heterojunction solar cell together with [84]PCBM as the electron acceptor, the polymer affords a response up to 1.3 mu m.

Original languageEnglish
Pages (from-to)903-906
Number of pages4
JournalOrganic letters
Volume11
Issue number4
Publication statusPublished - 19-Feb-2009

    Keywords

  • HETEROJUNCTION SOLAR-CELLS, CONJUGATED POLYMER, EFFICIENT, DONOR, DESIGN

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