Determination of the binding energy of methane on single-walled carbon nanotube bundles

Weber, Sven-Ulf; Talapatra, Saikat; Journet, Catherine; Zambano, A.; Migone, Aldo

doi:10.1103/physrevb.61.13150

Cited by 103 publications

(71 citation statements)

References 17 publications

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“…The observed stability of argon intercalated nanotubes up to 40 GPa supports also this idea [16]. The larger size of methane molecules theoretically prevent them to enter the interstitial sites but this point is controversial and is not confirmed by experimental works [41]. According to Stan et al [36] it is difficult to conclude about the possibility for methane to enter the tubes as its size and energy parameters seem to be maximum to let a molecule enter the tubes.…”

Section: Discussionmentioning

confidence: 54%

Raman spectroscopy of open‐ended Single Wall Carbon Nanotubes under pressure: effect of the pressure transmitting medium

Merlen

Toulemonde

Bendiab

et al. 2006

Physica Status Solidi (b)

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We performed high pressure Raman experiments on purified open-ended single wall carbon nanotubes using different pressure transmitting media (paraffin oil, argon and 4 : 1 methanol ethanol mixture) and two excitating wavelength (514.5 nm and 632.8 nm). We state that the behavior of the Raman spectrum under pressure is significantly dependent on the pressure transmitting medium. This result points out the relevance of the interactions between the medium and the nanotubes, at the origin of the disagreement between the phase transition sequences reported in literature. The comparaison of tangential modes profiles clearly shows that 4 : 1 methanol ethanol induces few strain on nanotubes in the opposite of what is observed for argon and paraffin oil pressure transmitting media. These observations are discussed in terms of intercalation and stress due to non hydrostatic conditions.

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Section: Discussionmentioning

confidence: 54%

Raman spectroscopy of open‐ended Single Wall Carbon Nanotubes under pressure: effect of the pressure transmitting medium

Merlen

Toulemonde

Bendiab

et al. 2006

Physica Status Solidi (b)

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“…We shall see in this article that various phases have been predicted whose properties are quite remarkable. Experimental tests of these predictions are under way in many laboratories (Dresselhaus et al, 1999;Teizer et al, 1999Teizer et al, , 2000Kuznetsova et al, 2000;Muris et al, 2000;Talapatra et al, 2000;Weber et al, 2000). Here, we focus on qualitative aspects of the predictions without providing a detailed explanation of the theoretical methods used to derive them.…”

Section: Introductionmentioning

confidence: 99%

Condensed phases of gases inside nanotube bundles

et al. 2001

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An overview is presented of the various phases predicted to occur when gases are absorbed within a bundle of carbon nanotubes. The behavior may be characterized by an effective dimensionality, which depends on the species and the temperature. Small molecules are strongly attracted to the interstitial channels between tubes. There, they undergo transitions between ordered and disordered quasi-one dimensional (1D) phases. Both small and large molecules display 1D and/or 2D phase behavior when adsorbed within the nanotubes, depending on the species and thermodynamic conditions. Finally, molecules adsorbed on the external surface of the bundle exhibit 1D behavior (striped phases), which crosses over to 2D behavior (monolayer film) and eventually 3D behavior (thick film) as the coverage is increased. The various phases exhibit a wide variety of thermal and other properties that we discuss here.

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“…[1][2][3][4][5][6][7][8][9][10][11][12][13] For small atoms and molecules, both the cylindrical spaces within individual tubes and the interstitial channels between tubes are regions of very attractive potential energy for adsorption. Larger molecules experience a similar attraction within the tubes ͑but not within the interstitial region, unless swelling occurs͒.…”

Section: Introductionmentioning

confidence: 99%

Quasi-one- and two-dimensional transitions of gases adsorbed on nanotube bundles

Gatica

Bojan

Stan

et al. 2001

The Journal of Chemical Physics

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Grand canonical Monte Carlo simulations have been performed to determine the adsorption behavior of Ar and Kr atoms on the exterior surface of a rope ͑bundle͒ consisting of many carbon nanotubes. The computed adsorption isotherms reveal phase transitions associated with the successive creation of quasi-one-dimensional lines of atoms near and parallel to the intersection of two adjacent nanotubes.

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Determination of the binding energy of methane on single-walled carbon nanotube bundles

Cited by 103 publications

References 17 publications

Raman spectroscopy of open‐ended Single Wall Carbon Nanotubes under pressure: effect of the pressure transmitting medium

Raman spectroscopy of open‐ended Single Wall Carbon Nanotubes under pressure: effect of the pressure transmitting medium

Condensed phases of gases inside nanotube bundles

Quasi-one- and two-dimensional transitions of gases adsorbed on nanotube bundles

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