Catalyst traces after chemical purification in CVD grown carbon nanotubes

László Péter Bíró, Nguyen Quoc Khánh, Zsolt Endre Horváth, Zófia Vértesy, András Kocsonya, Zoltan Kónya, Zoltan Osváth, Antal A. Koós, [No Value] Gyulai, [No Value] Zhang, [No Value] Van Tendeloo, Antonio Fonseca, Janos B.Nagy

    Research output: Other contribution

    Abstract

    For many applications, in particular for those in which transport occurs through carbon nanotubes (CNT), and for certain characterization techniques too, it is important to know whether traces of the catalyst used to grow the nanotubes are incorporated in the grown tubes. Nuclear analytical techniques (RBS, PIXE) and XRF were applied to investigate the transition metal content of CNTs after different steps of chemical purification. TEM and HRTEM were used to monitor the influence of purification process on the structure of the CNTs.
    Original languageEnglish
    Publication statusPublished - 2001

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