<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>In this work, multi-walled carbon nanotubes (MWCNTs) with ultra-high crystalline structure have been prepared by mechanothermal (MT) method. The novel super nanostructure is introduced for the first time as an extraordinary fullerene-carbon based material which, due to its special electronic and mechanical properties, can be used to construct unique building blocks for nanoengineering. Initially, high ultra-active graphite powder has been obtained by mechanical activation under Ar atmosphere. Finally, the mechanically activated product is heat-treated at 1350 °C for 3–4 h under an Ar gas flow. However, the crystallite size and crystallinity degree of the MWCNTs increased with the increase in annealing temperature.</p></abstract>

In this work, multi-walled carbon nanotubes (MWCNTs) with ultra-high crystalline structure have been prepared by mechanothermal (MT) method. The novel super nanostructure is introduced for the first time as an extraordinary fullerene-carbon based material which, due to its special electronic and mechanical properties, can be used to construct unique building blocks for nanoengineering. Initially, high ultra-active graphite powder has been obtained by mechanical activation under Ar atmosphere. Finally, the mechanically activated product is heat-treated at 1350 °C for 3–4 h under an Ar gas flow. However, the crystallite size and crystallinity degree of the MWCNTs increased with the increase in annealing temperature.

Ultra-high crystallinity millimeter long multiwall carbon nanotubes fabricated by mechanothermal method

Department of Engineering, Shahrood Branch, Islamic Azad University, Shahrood, Iran

Materials and Energy Research Center, P.O. Box 14155-4777, Tehran, Iran

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this work, multi-walled carbon nanotubes (MWCNTs) with ultra-high crystalline structure have been prepared by mechanothermal (MT) method. The novel super...

Ultra-high crystallinity millimeter long multiwall carbon nanotubes fabricated by mechanothermal method

Publié en ligne: 14 sept. 2012

Pages: 226 - 230

DOI: https://doi.org/10.2478/s13536-012-0033-0

Mots clés
carbon nanotube, reinforcement, crystallinity, mechanothermal method, HRTEM

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Ultra-high crystallinity millimeter long multiwall carbon nanotubes fabricated by mechanothermal method

Publié en ligne: 14 sept. 2012

Pages: 226 - 230

DOI: https://doi.org/10.2478/s13536-012-0033-0

Mots cléscarbon nanotube, reinforcement, crystallinity, mechanothermal method, HRTEM

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
carbon nanotube, reinforcement, crystallinity, mechanothermal method, HRTEM