Fluorination of vertically aligned carbon nanotubes: from CF4 plasma chemistry to surface functionalization

Claudia Struzzi, Mattia Scardamaglia, Jean-François Colomer, Alberto Verdini, Luca Floreano, Rony Snyders, Carla Bittencourt

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    Abstract

    The surface chemistry of plasma fluorinated vertically aligned carbon nanotubes (vCNT) is correlated to the CF4 plasma chemical composition. The results obtained via FTIR and mass spectrometry are combined with the XPS and Raman analysis of the sample surface showing the dependence on different plasma parameters (power, time and distance from the plasma region) on the resulting fluorination. Photoemission and absorption spectroscopies are used to investigate the evolution of the electronic properties as a function of the fluorine content at the vCNT surface. The samples suffer a limited ageing effect, with a small loss of fluorine functionalities after two weeks in ambient conditions.
    Original languageEnglish
    Pages (from-to)1723 - 1733
    Number of pages11
    JournalBeilstein Journal of Nanotechnology
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - 21 Aug 2017

    Keywords

    • carbon nanotubes
    • CF4 plasma
    • fluorination
    • plasma chemistry
    • surface chemistry
    • Surface chemistry
    • Carbon nanotubes
    • Fluorination
    • CF plasma
    • Plasma chemistry

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