4.5 Article

Giant Seebeck coefficient in semiconducting single-wall carbon nanotube film

Journal

APPLIED PHYSICS EXPRESS
Volume 7, Issue 2, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.7567/APEX.7.025103

Keywords

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology of Japan
  2. JSPS KAKENHI [21540421, 24681021, 25800201, 25104722]
  3. JST, CREST
  4. Grants-in-Aid for Scientific Research [25800201, 25600046, 21540421, 24681021, 25104722] Funding Source: KAKEN

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We found a giant Seebeck effect in semiconducting single-wall carbon nanotube (SWCNT) films, which exhibited a performance comparable to that of commercial Bi2Te3 alloys. Carrier doping of semiconducting SWCNT films further improved the thermoelectric performance. These results were reproduced well by first-principles transport simulations based on a simple SWCNT junction model. These findings suggest strategies that pave the way for emerging printed, all-carbon, flexible thermoelectric devices. (C) 2014 The Japan Society of Applied Physics

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