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- Title
Z-Shaped Pentaleno-Acene Dimers with High Stability and Small Band Gap.
- Authors
Dai, Gaole; Chang, Jingjing; Luo, Jie; Dong, Shaoqiang; Aratani, Naoki; Zheng, Bin; Huang, Kuo ‐ Wei; Yamada, Hiroko; Chi, Chunyan
- Abstract
Acene-based materials have promising applications for organic electronics but the major constrain comes from their poor stability. Herein a new strategy to stabilize reactive acenes, by fusion of an anti-aromatic pentalene unit onto the zigzag edges of two acene units to form a Z-shaped acene dimer, is introduced. The Z-shaped acene dimers are extremely stable and show a small energy gap resulting from intramolecular donor-acceptor interactions. X-ray crystallographic analysis revealed their unique geometry and one-dimensional slip-stack columnar structure. Besides optical and electrochemical characterizations, solution-processed field-effect transistors were also fabricated.
- Subjects
ACENES; ORGANIC electronics; X-ray crystallography; ORGANIC field-effect transistors; PALLADIUM catalysts; SONOGASHIRA reaction
- Publication
Angewandte Chemie, 2016, Vol 128, Issue 8, p2743
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201508919