[22p-D901-1~11] 12.3 Functional Materials and Novel Devices

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[22p-D901-3] Synthesis of ionic liquids with organic superbase cations and its application to electrochemical doping of carbon nanotubes

〇Mayuko Nishinaka¹, Yasuko Kosiba^1,2, Kouki Akaike³, Qingshuo Wei³, Shohei Horike^1,2, Kenji Ishida^1,2,4 (1.Kobe Univ., 2.Res. Ctr. Membrane & Film Thec., Kobe Univ., 3.AIST, 4.Kyushu Univ.)

Keywords:

carbon nanotubes,thermoelectric,electrochemical doping

Electrochemical doping mediated by a newly synthesized ionic liquid ([TBDH][TFSI]) including organic superbase cations has been demonstrated as an effective methodology to create both n- and p-type carbon nanotubes (CNTs) with air- and thermal stability. Electrical properties (e.g., Seebeck coefficient and electrical conductivity) of CNTs could be modulated stepwise by the applied potential, i.e., charging of electric double layer formed on the CNTs surface. This doping method is applicable for the control of thermoelectric properties of CNTs.