Thermal Oxidation Kinetic of Carbon Nanotubes (CNTs)

Sulaiman I. Al-Mayman, Naif M. Al-Abbadi, Muataz Atieh

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Aligned multi-wall carbon nanotubes (CNTs) were synthesized by a catalytic cracking chemical vapor deposition (CC-CVD) method. The effects of hydrogen flow rates and hydrocarbon amounts were studied to selectively synthesize carbon nanomaterials at high yield, high purity, and high quantity. Iron nanoparticles that were produced from the thermal decomposition of iron oxide on the surface of aluminum oxide powder were used as a catalyst for the synthesis of the carbon structures. The effects of different hydrogen flow rates (10-700 ml/min) and the amount of ethylene gas (50-700 ml/min) on the morphology, quality and quantity of the product were investigated. The thermal oxidation kinetics of CNTs was investigated by dynamic thermogravimetry, in an air atmosphere, over the temperature range 25-800 °C and at constant nominal heating rate 10 °C/min. The corresponding activation energies, frequency factors, and reaction orders were determined.

Original languageEnglish
Pages (from-to)621-630
Number of pages10
JournalArabian Journal for Science and Engineering
Volume39
Issue number2
DOIs
Publication statusPublished - Feb 2014
Externally publishedYes

Fingerprint

Carbon Nanotubes
Hydrogen
Carbon
Flow rate
Oxidation
Catalytic cracking
Kinetics
Aluminum Oxide
Hydrocarbons
Heating rate
Nanostructured materials
Powders
Thermogravimetric analysis
Chemical vapor deposition
Pyrolysis
Iron
Activation energy
Gases
Nanoparticles
Catalysts

Keywords

  • Aluminum powder
  • CC-CVD
  • CNTs
  • Ethylene flow rates
  • Thermal oxidation kinetics

ASJC Scopus subject areas

  • General

Cite this

Thermal Oxidation Kinetic of Carbon Nanotubes (CNTs). / Al-Mayman, Sulaiman I.; Al-Abbadi, Naif M.; Atieh, Muataz.

In: Arabian Journal for Science and Engineering, Vol. 39, No. 2, 02.2014, p. 621-630.

Research output: Contribution to journalArticle

Al-Mayman, Sulaiman I. ; Al-Abbadi, Naif M. ; Atieh, Muataz. / Thermal Oxidation Kinetic of Carbon Nanotubes (CNTs). In: Arabian Journal for Science and Engineering. 2014 ; Vol. 39, No. 2. pp. 621-630.
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