N-Acylisoindigo Derivatives as Polymer Acceptors for “All-Polymer” Bulk-Heterojunction Solar Cells

Federico Cruciani, Maxime Babics, Shengjian Liu, Daniela Carja, Daniele Mantione, Pierre Beaujuge

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Polymer acceptors are a class of “non-fullerene” electron-transporting materials that can replace [6,6]-phenyl C61/71 butyric acid (PC61/71BM) in bulk-heterojunction (BHJ) solar cells. In this contribution is reported the use of N-acyl-substituted isoindigo (IID) motifs (IID(CO)) as electron-deficient units in the design of polymer acceptors for “all-polymer” BHJ solar cells. While IID motifs are commonly used in the design of polymer donors for efficient BHJ solar cells with the fullerene PC61/71BM acceptors, here it is shown that IID(CO) building units used in conjunction with suitable co-monomers represent a practical avenue for polymer acceptors with electron affinity values comparable to that of PC61/71BM (i.e., 4.2 eV).
Original languageEnglish (US)
Pages (from-to)1900029
JournalMacromolecular Chemistry and Physics
Issue number13
StatePublished - May 27 2019


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