Fluorine containing C60 derivatives for high-performance electron transporting field-effect transistors and integrated circuits

Paul H. Wöbkenberg, James Ball, Donal D.C. Bradley, Thomas D. Anthopoulos, Floris Kooistra, Jan C. Hummelen, Dago M. De Leeuw

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We report on electron transporting organic transistors and integrated ring oscillators based on four different solution processible fluorine containing C60 derivatives. Electron mobilities up to 0.15 cm2 V s are obtained from as-prepared bottom-gate, bottom-contact transistors utilizing gold source-drain electrodes. Despite the high mobility, no long-range structural order could be identified with the semiconductor films exhibiting amorphouslike characteristics. The good electron transport is attributed to the structural symmetry of the fullerene derivatives and the enhanced π -π interactions between C60 units even in the case of amorphouslike films. These advantageous characteristics make fluorine containing C60 derivatives attractive for application in high-performance, large-area organic electronics.

Original languageEnglish (US)
Article number143310
JournalApplied Physics Letters
Issue number14
StatePublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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