4.8 Article

Ordering Effects in Benzo[1,2-b:4,5-b′]difuran-thieno[3,4-c]pyrrole-4,6-dione Polymers with >7% Solar Cell Efficiency

Journal

ADVANCED MATERIALS
Volume 26, Issue 25, Pages 4357-4362

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201305344

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Funding

  1. King Abdullah University of Science and Technology (KAUST)
  2. Villum Foundation
  3. Villum Fonden [00007271] Funding Source: researchfish

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Benzo[1,2-b:4,5-b']difuran-thieno[3,4-c]pyrrole-4,6-dione (PBDFTPD) polymers prepared by microwave-assisted synthesis can achieve power conversion efficiencies (PCEs) >7% in bulk-heterojunction solar cells with phenyl-C61/71-butyric acid methyl ester (PCBM). In as-cast PBD-FTPD-based devices solution-processed without a small-molecule additive, high PCEs can be obtained in spite of the weak propensity of the polymers to self-assemble and form p-aggregates in thin films.

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