Issue 47, 2016
From the journal:

RSC Advances

Theoretical infrared phonon modes in double-walled carbon nanotubes

A. H. Rahmani,a   M. Boutahir,a   A. El Biyaali,a   B. Fakrach,a   H. Chadli,a   K. Sbai,a   P. Hermet,b   J.-L. Bantigniesc  and  A. Rahmani*a  

* Corresponding authors

a Laboratoire d’Etude des Matériaux Avancés et Applications (LEM2A), Université Moulay Ismaïl, FSM-FPE-ESTM, BP 11201, Zitoune, Meknes, Morocco
E-mail: a.rahmani@fs-umi.ac.ma

b Institut Charles Gerhardt Montpellier, UMR-5253, CNRS, Université de Montpellier, ENSCM, Place E. Bataillon, 34095 Montpellier, France

c Laboratoire Charles Coulomb, UMR 5221 CNRS-Université de Montpellier, Place E. Bataillon, 34095 Montpellier, France

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.

Graphical abstract: Theoretical infrared phonon modes in double-walled carbon nanotubes

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Article information

DOI
https://doi.org/10.1039/C6RA03672D
Article type
Paper
Submitted
09 Feb 2016
Accepted
14 Apr 2016
First published
14 Apr 2016

RSC Adv., 2016,6, 41025-41031

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Theoretical infrared phonon modes in double-walled carbon nanotubes

A. H. Rahmani, M. Boutahir, A. El Biyaali, B. Fakrach, H. Chadli, K. Sbai, P. Hermet, J.-L. Bantignies and A. Rahmani, RSC Adv., 2016, 6, 41025 DOI: 10.1039/C6RA03672D

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