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Keywords:

  • Field-effect transistors, organic;
  • Fullerenes
Thumbnail image of graphical abstract

Organic field-effect transistors (OFETs, see Figure), based on the solution- processible methanofullerene [6,6]-phenyl-C61-butyric acid methyl ester (PCBM), have been fabricated in a bottom-contact device configuration using gold electrodes. The OFET functions either as a p- or n-channel device, depending upon the bias conditions. This is the first example of ambipolar charge transport in FETs based on pristine PCBM.