4.6 Article

Spray-printed CNT/P3HT organic thermoelectric films and power generators

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 43, Pages 21428-21433

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta06096f

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Funding

  1. R&D Convergence Program of National Research Council of Science & Technology (NST)
  2. KRICT Core Project [KK-1507-C6]
  3. Center for Advanced Soft-Electronics - Ministry of Science, ICT and Future Planning as Global Frontier Project [2015M3A6A5065315]

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This study demonstrates the fabrication of high-performance thermoelectric carbon nanotube/poly(3-hexylthiophene) (CNT/P3HT) nanocomposite films and flexible CNT/P3HT organic thermoelectric generators (OTEGs) by spray-printing. The spray-printed few-walled CNT/P3HT nanocomposite films exhibited excellent thermoelectric properties. The Seebeck coefficient, electrical conductivity, and power factor of the nanocomposite films were 97 +/- 11 mu V K-1, 345 +/- 88 S cm(-1), and 325 +/- 101 mu W m(-1) K-2, respectively, at room temperature. We fabricated flexible OTEGs solely from p-type CNT/P3HT nanocomposite patterns spray-printed on a polyimide substrate, and confirmed their electric power generation capabilities.

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