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Updated: Apr 22, 2026

Characterization of Thermal Transport in One-dimensional Solid Materials
Published on: January 26, 2014
Tuning of the thermoelectric properties of one-dimensional material networks by electric double layer techniques
Kazuhiro Yanagi1, Shouhei Kanda, Yuki Oshima
1Department of Physics, Tokyo Metropolitan University , Tokyo 192-0397, Japan.
Abstract:
We report across-bandgap p-type and n-type control over the Seebeck coefficients of semiconducting single-wall carbon nanotube networks through an electric double layer transistor setup using an ionic liquid as the electrolyte. All-around gating characteristics by electric double layer formation upon the surface of the nanotubes enabled the tuning of the Seebeck coefficient of the nanotube networks by the shift in gate voltage, which opened the path to Fermi-level-controlled three-dimensional thermoelectric devices composed of one-dimensional nanomaterials.
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