Soft purification of N-doped and undoped multi-wall carbon nanotubes

Edgar Rogelio Alvizo-Paez, Jose Manuel Romo-Herrera, Humberto Terrones, Mauricio Terrones Maldonado, Jaime Ruiz-Garcia, Jose Luis Hernandez-Lopez

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A soft method for purifying multi-wall carbon nanotubes (N-doped and undoped) is presented. The technique includes a hydrothermal/ultrasonic treatment of the material in conjunction with other subsequent treatments, including the extraction of polyaromatic compounds, dissolution of metal particles, bundle exfoliation, and uniform dispersion. This method avoids harsh oxidation protocols that burn (via thermal treatments) or functionalize (by introducing chemical groups) the nanotubes. We show a careful analysis of each purification step and demonstrate that the technique is extremely efficient when characterizing the materials using scanning electron microscopy (SEM), energy dispersive x-ray analysis (EDAX), scanning tuneling electron microscopy (STEM), x-ray powder diffraction (XRD), diffuse reflectance Fourier transform infrared (DRFTIR) spectroscopy and thermogravimetric analysis (TGA).

Original languageEnglish (US)
Article number155701
JournalNanotechnology
Volume19
Issue number15
DOIs
StatePublished - Apr 16 2008

Fingerprint

Carbon Nanotubes
Purification
Carbon nanotubes
X rays
Scanning electron microscopy
Nanotubes
Fourier transform infrared spectroscopy
Thermogravimetric analysis
Energy dispersive spectroscopy
Dissolution
Ultrasonics
Metals
Heat treatment
Oxidation
Powder Diffraction

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Bioengineering
  • Chemistry(all)
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Alvizo-Paez, E. R., Romo-Herrera, J. M., Terrones, H., Terrones Maldonado, M., Ruiz-Garcia, J., & Hernandez-Lopez, J. L. (2008). Soft purification of N-doped and undoped multi-wall carbon nanotubes. Nanotechnology, 19(15), [155701]. https://doi.org/10.1088/0957-4484/19/15/155701
Alvizo-Paez, Edgar Rogelio ; Romo-Herrera, Jose Manuel ; Terrones, Humberto ; Terrones Maldonado, Mauricio ; Ruiz-Garcia, Jaime ; Hernandez-Lopez, Jose Luis. / Soft purification of N-doped and undoped multi-wall carbon nanotubes. In: Nanotechnology. 2008 ; Vol. 19, No. 15.
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Alvizo-Paez, ER, Romo-Herrera, JM, Terrones, H, Terrones Maldonado, M, Ruiz-Garcia, J & Hernandez-Lopez, JL 2008, 'Soft purification of N-doped and undoped multi-wall carbon nanotubes', Nanotechnology, vol. 19, no. 15, 155701. https://doi.org/10.1088/0957-4484/19/15/155701

Soft purification of N-doped and undoped multi-wall carbon nanotubes. / Alvizo-Paez, Edgar Rogelio; Romo-Herrera, Jose Manuel; Terrones, Humberto; Terrones Maldonado, Mauricio; Ruiz-Garcia, Jaime; Hernandez-Lopez, Jose Luis.

In: Nanotechnology, Vol. 19, No. 15, 155701, 16.04.2008.

Research output: Contribution to journalArticle

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AU - Ruiz-Garcia, Jaime

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Alvizo-Paez ER, Romo-Herrera JM, Terrones H, Terrones Maldonado M, Ruiz-Garcia J, Hernandez-Lopez JL. Soft purification of N-doped and undoped multi-wall carbon nanotubes. Nanotechnology. 2008 Apr 16;19(15). 155701. https://doi.org/10.1088/0957-4484/19/15/155701