Is there a Difference in Van der Waals Interactions between Rare Gas Atoms Adsorbed on Metallic and Semiconducting Single-Walled Carbon Nanotubes?

De Li Chen, Lynn Mandeltort, Wissam A. Saidi, John T. Yates, Milton W. Cole, J. Karl Johnson

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The differences in the polarizabilities of metallic (M) and semiconducting (S) single-walled carbon nanotubes (SWNTs) might give rise to differences in adsorption potentials. We show from experiments and van der Waals - corrected density functional theory that the binding energies of Xe adsorbed on M- and S-SWNTs are nearly identical. Temperature programed desorption experiments of Xe on purified M- and S-SWNTs give similar peak temperatures, indicating that desorption kinetics and binding energies are independent of the type of SWNT. Binding energies computed from vdW-corrected density functional theory are in good agreement with experiments.

Original languageEnglish (US)
Article number135503
JournalPhysical review letters
Volume110
Issue number13
DOIs
StatePublished - Mar 26 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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