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Jianhua Liu, Yanming Sun, Preecha Moonsin, Martijn Kuik, Christopher M. Proctor, Jason Lin, Ben B. Hsu, Vinich Promarak, Alan J. Heeger and Thuc-Quyen Nguyen Tri-Diketopyrrolopyrrole Molecular Donor Materials for High-Performance Solution-Processed Bulk Heterojunction Solar Cells Advanced Materials 25

Version of Record online: 15 AUG 2013 | DOI: 10.1002/adma.201302007

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Two new high-performance DPP-containing donor molecules employing a molecular architecture with three DPP chromorphores (tri-DPP) in conjugated backbones are synthesized and characterized. The two tri-DPP molecules with only a structural difference on alkyl substitutions, when blended with PC71BM, lead to power conversion efficiencies up to 4.8 and 5.5%, respectively.

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