Rahmani, A.H. and Boutahir, M. and ElBiyaali, A. and Fakrach, B. and Chadli, H. and Sbai, K. and Hermet, P. and Bantignies, J.-L. and Rahmani, A. (2016) Theoretical infrared phonon modes in double-walled carbon nanotubes. RSC Advances, 6 (47). pp. 41025-41031.

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Abstract

In this theoretical work, we study the polarized infrared spectra of double-walled carbon nanotubes (DCNTs) as a function of their diameters, chiralities and lengths. For infinite DCNTs, mathematical relations are derived to estimate the diameter of the inner and outer tubes from the knowledge of their experimental mid-infrared spectra. The infrared spectra of DCNTs with a finite length are also calculated using the spectral moments method. We observe additional infrared bands as a function of the relative lengths of the inner and outer tubes. Bands located below 900 cm-1 give reliable information about these lengths. © 2016 The Royal Society of Chemistry.

Item Type: Article
Uncontrolled Keywords: Spectroscopy; Yarn, Double walled carbon nanotubes; Finite length; Infrared bands; Infrared spectrum; Mathematical relation; Mid-infrared spectra; Relative length; Spectral moments, Multiwalled carbon nanotubes (MWCN)
Subjects: Chemical Engineering
Divisions: SCIENTIFIC PRODUCTION > Chemical Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:45
URI: http://eprints.umi.ac.ma/id/eprint/1735

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