Carbon nanotubes: A thermoelectric nano-nose

Kofi W. Adu, Gamini U. Sumanasekera, Bhabendra K. Pradhan, Hugo E. Romero, Peter C. Eklund

Research output: Contribution to journalArticle

137 Scopus citations

Abstract

A thermoelectric 'nano-nose' has been built from tangled bundles of single-walled carbon nanotubes (SWNT). The response is specific to the details of the interaction of the adsorbed molecule with the nanotube wall; even gases such as He, N2 and H2 can be easily detected. Plots of ΔSvs.ρa are sensitive to whether oxidation or reduction of the tube wall is taking place, and to whether the gas molecule is physisorbed or chemisorbed.

Original languageEnglish (US)
Pages (from-to)31-35
Number of pages5
JournalChemical Physics Letters
Volume337
Issue number1-3
DOIs
StatePublished - Mar 30 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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    Adu, K. W., Sumanasekera, G. U., Pradhan, B. K., Romero, H. E., & Eklund, P. C. (2001). Carbon nanotubes: A thermoelectric nano-nose. Chemical Physics Letters, 337(1-3), 31-35. https://doi.org/10.1016/S0009-2614(01)00159-2