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Possible Existence of a Higher Coverage Quasi-One-Dimensional Phase of Argon Adsorbed on Bundles of Single-Walled Carbon Nanotubes

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Abstract:

We present results of Ar adsorption isotherms at very low coverages in the first layer and, beyond monolayer completion, on bundles of close-ended single-walled carbon nanotubes. The low coverage results were used to determine the isosteric heat of adsorption and the binding energy of Ar in the groove sites in the first layer. The higher coverage results show evidence of the possible formation of a second-layer groove phase, beyond monolayer completion. Our results for higher coverages are compared with recent computer simulations for this system.

Keywords: Adsorption; Carbon Nanotubes; Isosteric Heat.; Quasi-One-Dimensional Phase

Document Type: Communications

DOI: https://doi.org/10.1166/jnn.2002.134

Affiliations: Department of Physics, Southern Illinois University at Carbondale, Carbondale, Illinois, USA

Publication date: 2002-10-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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