Organic n-Channel Transistors Based on Core-Cyanated Perylene Carboxylic Diimide Derivatives
Journal of the American Chemical Society2008Vol. 130(14), pp. 4637–4645
Citations Over TimeTop 1% of 2008 papers
R. Thomas Weitz, Konstantin Amsharov, Ute Zschieschang, Esther Barrena, D. K. Goswami, Marko Burghard, H. Dosch, Martin Jansen, Klaus Kern, Hagen Klauk
Abstract
Five core-cyanated perylene carboxylic diimides end-functionalized with fluorine-containing linear and cyclic substituents have been synthesized and employed in the fabrication of air-stable n-channel organic thin-film field-effect transistors with carrier mobilities up to 0.1 cm2/Vs. The relationships between molecular structure, thin-film morphology, substrate temperature during vacuum deposition, transistor performance, and air stability have been investigated. Our experiments led us to conclude that the role of the fluorine functionalization in the air-stable n-channel operation of the transistors is different than previously thought.
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