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The Effect of Molecular Oxygen on the Thermal Conductance of Multi-walled Nanotubes – a Preliminary Investigation by E. Brown; L. Hao; J. C. Gallop; J. C. Macfarlane; P. W. Josephs-Franks; L. F. Cohen is a Physics and Astronomy article available to read on EtoBox.
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## Abstract Whilst the effect of oxygen adsorption on the electrical properties of carbon nanotubes has been investigated extensively, little is known about how oxygen changes the thermal properties of nanotubes. Here we present a preliminary investigation on the effect of molecular oxygen on the electrical and thermal conductance of multi‐walled nanotubes (MWNTs) measured simultaneously. The nanotubes were placed in a vacuum chamber (pressures 7 days) and continuously heated above 100 °C to ensure oxygen desorption. Then pure oxygen was introduced in the chamber using a needle valve (the pressure in the chamber was always 1 × 10^−4^ mbar saturation of the effect was observed. The reasons for these changes are proposed to be: (i) oxygen adsorption caused a change in the nanotubes' phonon modes; (ii) the presence of oxygen molecules facilitated the inter‐shell transfer of heat in the nanotube. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Who reads The Effect of Molecular Oxygen on the Thermal Conductance of Multi-walled Nanotubes – a Preliminary Investigation?
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- Author
- E. Brown; L. Hao; J. C. Gallop; J. C. Macfarlane; P. W. Josephs-Franks; L. F. Cohen
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0370-1972)
- Published
- 2006
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)