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    Observation of curling effects in tubular and planar graphene-like structures by pyrolysis of ferrocene/dichlorobenzene mixtures

    Access Status
    Fulltext not available
    Authors
    Boi, F.
    Guo, J.
    Medranda, D.
    Borowiec, J.
    Liu, D.
    Wang, Shaobin
    Zhang, X.
    He, Y.
    Xiang, G.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Boi, F. and Guo, J. and Medranda, D. and Borowiec, J. and Liu, D. and Wang, S. and Zhang, X. et al. 2018. Observation of curling effects in tubular and planar graphene-like structures by pyrolysis of ferrocene/dichlorobenzene mixtures. Materials Today Chemistry. 10: pp. 120-127.
    Source Title
    Materials Today Chemistry
    DOI
    10.1016/j.mtchem.2018.08.002
    ISSN
    2468-5194
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/71823
    Collection
    • Curtin Research Publications
    Abstract

    © 2018 Elsevier Ltd In this work, we investigate the morphological and structural properties of carbon nanostructures fabricated by means of chemical vapor deposition (CVD) methods in the presence of controlled quantities of Cl-containing precursor and ferrocene. We report the observation of a structural transition from tubular-like carbon nanotube (CNT) morphology into planar few-layers graphite in experiments involving the pyrolysis of ferrocene and dichlorobenzene mixtures. An unusual intermediate curling-like mechanism in the walls of the as-grown CNTs is found when intermediate quantities of dichlorobenzene are used. This unusual phenomenon vanishes for high quantities of dichlorobenzene, where the nucleation of planar few-layers graphene-like structures directly connected to micrometer-scale Fe3C particles is found. Such morphological variation is investigated by means of both scanning electron microscopy (SEM) and transmission electron microscopy (TEM), whereas the structural variation of the obtained structures is analyzed through X-ray diffraction and Raman spectroscopy techniques.

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