[20p-C105-1~15] 12.3 Functional Materials and Novel Devices

△ [20p-C105-14] Thermally stable n-type carbon nanotubes created by organic superbase doping

〇Shouhei Horike^1,2,3,4, Qingshuo Wei³, Kouki Akaike³, Kazuhiro Kirihara³, Masakazu Mukaida³, Yasuko Koshiba^1,2, Kenji Ishida^1,2 (1.Kobe Univ., 2.Research Center for Membrane and Film Technology, 3.AIST, 4.JST PRESTO)

Keywords:carbon nanotube, doping, thermoelectric

n-Type carbon nanotubes (CNTs) are important components of future electronic and energy devices. However, the n-doped states of CNTs are usually not stable at elevated temperatures, which limits the applications of n-type CNTs for such devices. Here, we found that bicyclic-ring organic superbases can effectively reduce CNTs to create n-type materials with outstanding thermal stability in air. As an example of energy device, a thermoelectric p/n junction module with a good power output will be reported.