Improved Thermoelectric Behavior of Super-Growth Carbon Nanotube Using Tetrathiafulvalene-Tetracyanoquinodimethane Nanoparticles

Shinichi Hata; Takahiro Yoshizumi; Satoshi Hoshino; Mio Gotsubo; Yukihide Shiraishi; Naoki Toshima

doi:10.4028/www.scientific.net/MSF.990.209

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Effect of Soybean Oil in Eggshell Powder Filled Polylactic Acid Composites on its Mechanical, Thermal and Rheological Properties
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Improved Thermoelectric Behavior of Super-Growth Carbon Nanotube Using Tetrathiafulvalene-Tetracyanoquinodimethane Nanoparticles
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Improved Thermoelectric Behavior of Super-Growth Carbon Nanotube Using Tetrathiafulvalene-Tetracyanoquinodimethane Nanoparticles

Abstract:

The addition of inorganic materials with high thermoelectric properties is a popular approach to modulate the performance of carbon nanotube (CNT), but, the representative hybridization of CNT and toxic Te or Bi is not practical considering safety. Here, we report a CNT film including charge-transfer complex nanoparticles, which has higher generality and thermoelectric properties. Interestingly, the CNT film containing 30 wt% Tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) nanoparticle exhibited a higher in-plane thermoelectric power factor (44.3 μW m^-1 K^-2) than the pure CNT (10.1 μW m^-1 K^-2), which is the first result of a nanostructured charge-transfer complex acting as a carrier promoter.