| Abstract
| - 6,12-Dimethylindolo[3,2-b]carbazoles were prepared by Cadogan ring closure using N-alkyl-2-substituted carbazole precursor. X-ray analyses on 5,11-dioctyl-6,12-dimethylindolo[3,2-b]carbazole have demonstrated a coplanar molecular structure with an interesting π-stacking of the molecules. Organic field-effect transistor using the same molecule as an active layer has revealed promising features.
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