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Keywords:

  • Carbon Nanotubes;
  • Density Control;
  • Mobility;
  • Semiconducting Inks;
  • Printed Electronics
Thumbnail image of graphical abstract

High mobility and high on/off ratio thin-film transistors are fabricated using solution-based deposition of purified semiconducting carbon nanotubes. A comprehensive spectrum of the density starting from less than 10 tubes μm−2 to the high end of around 100 tubes μm−2 is investigated. This study provides the first important roadmap for the tradeoffs between mobility and on/off ratio in nanotube-based semiconducting inks.