Logic Ciucuits Using Solution-processed Single-walled Carbon Nanotue   Transistors
  This letter reports on the realization of logic circuits employing solution-processed networks of single-walled carbon nanotubes. We constructed basic logic gates (inverter, NAND and NOR) with n- and p-type field-effect transistors fabricated by solution-based chemical doping. Complementary metal-oxide-semiconductor inverters exhibited voltage gains of up to 20, which illustrates the great potential of carbon nanotube networks for printable flexible electronics. 
Ryo Nouchi, Haruo Tomita, Akio Ogura, Masashi Shiraishi, Hiromichi   Kataura