A study on the effect of calcination temperature on the graphitization of carbon nanotubes synthesized by the decomposition of methane

Wei Wen Liu, Tijjani Adam, Azizan Aziz, Siang Piao Chai, Abdul Rahman Mohamed, U. Hashim

    Research output: Chapter in Book/Report/Conference proceedingConference PaperOther


    The effect of calcination temperature for Fe2O3/MgO catalysts on the formation of carbon nanotubes (CNTs) was examined. CNTs were synthesized over Fe2O3/MgO catalysts calcined at different temperatures by catalytic decomposition of methane at 1000°C. The synthesized CNTs were investigated by a combination of scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Raman spectroscopy. The results show that the effect of calcination temperatures greatly governed the diameter and the quality of the SWCNTs formed. The catalysts calcined at 500, 600 and 700°C produced CNTs with the diameters of 1.53, 1.95 and 2.97nm, respectively. Generally, an increase in the calcination temperature increases the average diameter and decreases the quality of the CNTs produced.

    Original languageEnglish
    Title of host publicationNanoscience, Nanotechnology and Nanoengineering
    PublisherTrans Tech Publications
    Number of pages6
    ISBN (Print)9783037859131
    Publication statusPublished - 2014
    EventInternational Conference on Nanoscience and Nanotechnology (NANO-SciTech) 2013 - Shah Alam, Selangor, Malaysia
    Duration: 1 Mar 20134 Mar 2013

    Publication series

    NameAdvanced Materials Research
    ISSN (Print)1022-6680


    ConferenceInternational Conference on Nanoscience and Nanotechnology (NANO-SciTech) 2013
    Abbreviated titleNANO-SciTech 2013
    CityShah Alam, Selangor
    Internet address


    • Chemical vapor deposition
    • Electron microscopy
    • Nanostructures
    • Raman spectroscopy and scattering

    Cite this