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Advanced Acceptor-Substituted S,N-Heteropentacenes for Application in Organic Solar Cells |
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| Authors: | Teresa Kraus Dr. Sebastian Lucas Pascal Wolff Anna Aubele Dr. Elena Mena-Osteritz Prof. Peter Bäuerle |
| Affiliation: | 1. Institute of Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany;2. Institute of Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany NVision, Albert-Einstein-Allee 11, 89081 Ulm, Germany |
| Abstract: | Ambifunctional heterpentacenes with the heteroatom sequence SSNSS in the ladder-type backbone were used either as donor or as nonfullerenic acceptor in solution-processed bulk-heterojunction solar cells. Different acceptor moieties and side chains were inserted. Synthesis and characterization of the systematically varied structural motifs provided insight in structure-property relationships. Moreover, a dimeric heteroacene was synthesized, and the optoelectronic properties were compared to those of its monomeric counterpart. |
| Keywords: | heteroacenes nonfullerenic acceptors optoelectronic properties organic solar cells quantum chemical calculations |