New technique of synthesizing single-walled carbon nanotubes from ethanol using fluidized-bed over Fe-Mo/MgO catalyst

Ghazaleh Allaedini, Siti Masrinda Tasirin, Payam Aminayi, Zahira Yaakob, Meor Zainal Meor Talib

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this work, bamboo-shaped, multi-walled carbon nanotubes were synthesized via methane decomposition over a Ni-Co-Fe tri-metallic catalyst at 1000 °C. The nitrogen absorption (BET), X-ray diffraction (XRD), and particle size analysis results of the catalyst were used to demonstrate the surface area, size distribution, and crystallinity of the sample. The scanning electron microscopy (SEM) micrographs of the nanocarbons deposited via methane decomposition indicated that highly uniform carbon nanotubes were grown on the surface of the trimetallic catalyst. The transmission electron microscopy (TEM) images showed that the carbon nanotubes were multi-walled and bamboo-shaped with a diameter of ∼20 nm. Raman spectra revealed the graphitization degree of the CNTs with an ID/IG of 1.84, indicative of the crystallinity of CNTs with structural defects. The thermal analysis shows the high oxidation stability of the multi-walled carbon nanotubes.

Original languageEnglish
Pages (from-to)385-396
Number of pages12
JournalReaction Kinetics, Mechanisms and Catalysis
Volume116
Issue number2
DOIs
Publication statusPublished - 1 Dec 2015

Fingerprint

Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Fluidized beds
beds
Carbon nanotubes
Ethanol
ethyl alcohol
carbon nanotubes
catalysts
Catalysts
Bamboo
Methane
Decomposition
Graphitization
crystallinity
methane
Particle size analysis
Thermoanalysis
decomposition
Raman scattering

Keywords

  • Bamboo shape carbon nanotubes
  • Graphitization degree
  • Methane decomposition
  • Multi-walled carbon nanotubes
  • Tri-metallic catalyst

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

Cite this

New technique of synthesizing single-walled carbon nanotubes from ethanol using fluidized-bed over Fe-Mo/MgO catalyst. / Allaedini, Ghazaleh; Tasirin, Siti Masrinda; Aminayi, Payam; Yaakob, Zahira; Meor Talib, Meor Zainal.

In: Reaction Kinetics, Mechanisms and Catalysis, Vol. 116, No. 2, 01.12.2015, p. 385-396.

Research output: Contribution to journalArticle

Allaedini, Ghazaleh ; Tasirin, Siti Masrinda ; Aminayi, Payam ; Yaakob, Zahira ; Meor Talib, Meor Zainal. / New technique of synthesizing single-walled carbon nanotubes from ethanol using fluidized-bed over Fe-Mo/MgO catalyst. In: Reaction Kinetics, Mechanisms and Catalysis. 2015 ; Vol. 116, No. 2. pp. 385-396.
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