Tuning of the thermoelectric properties of one-dimensional material networks by electric double layer techniques using ionic liquids.
basic_science · Level V
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- Record sourced from PubMed, PMID 25302572.
- Also identified by DOI 10.1021/nl502982f.
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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.