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J Am Chem Soc. 2008 Apr 9;130(14):4637-45. doi: 10.1021/ja074675e. Epub 2008 Mar 13.

Organic n-channel transistors based on core-cyanated perylene carboxylic diimide derivatives.

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Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany.


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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