Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 36, Pages 10512-10515Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201504190
Keywords
crystal structures; dipole moments; donor-acceptor dyes; merocyanine dyes; organic thin-film transistors
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Funding
- Bavarian State Ministry of Science, Research, and the Arts
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Attachment of bulky substituents at both thiophene donor (D) and thiazole acceptor (A) heterocycles of a dipolar ((g)=10.4D) D--A merocyanine dye affords a more than 1 angstrom expansion of the common antiparallel supramolecular dimer motif in the solid state, enabling very close -contacts (3.36 angstrom) to two other neighbor molecules on each of the two remaining -faces. This unusual packing motif leads to three-dimensional percolation pathways for hole transport and affords thin-film transistors with mobility up to 0.64cm(2)V(-1)s(-1).
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