Journal
TETRAHEDRON
Volume 67, Issue 9, Pages 1628-1632Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.01.006
Keywords
Thiophene; Transistors; Semiconductor
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Funding
- Grants-in-Aid for Scientific Research [21560005] Funding Source: KAKEN
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We report the synthesis of a new bridged end-capped distyryldithiophene with ketone groups on the bridge: E,E-2,7'-bis((2-phenyl)-ethenyl)-benzo[2,1-b:3,4-b']dithiophene-4,5-dione 1. Optical and electrochemical properties of 1 in solution were investigated by UV vis absorption and cyclic voltammetry and compared to the unsubstituted parent molecule (KDS2T). Morphology of 1-based thin films was investigated by scanning electron microscopy (SEM) and the crystalline structure characterization by X-ray diffraction (XRD). Thin films were implemented as active layers into organic thin-film transistors (OTFT) in top contact configuration to evaluate the charge transport properties. (C) 2011 Elsevier Ltd. All rights reserved.
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