Papers by Keyword: Filled Carbon Nanotubes

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Authors: Joydip Sengupta, Sovan Kumar Panda, Chacko Jacob
Abstract: The effect of Fe and Ni catalysts on the synthesis of carbon nanotubes (CNTs) using atmospheric pressure chemical vapor deposition (APCVD) was investigated. Distribution of the catalyst particles over the Si substrate was analyzed by atomic force microscopy (AFM). Characterization by X-ray diffraction analysis (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM) and Raman spectroscopic measurements over the grown species is reported. The study clearly shows that the catalyst strongly influences morphology and microstructure of the grown CNTs.
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Authors: A. Leonhardt, Ingolf Mönch, Axel Meye, S. Hampel, B. Büchner
Abstract: Especially during last years, fundamental discoveries of various species and modifications of carbon nanotubes have stimulated research on their application including in human medicine. The success of these applications depends significantly on the physical, chemical and biological properties of the carbon nanotubes and their supplements. In our presentation we report on the synthesis of Fe-filled carbon nanotubes, their structural and magnetic properties and propose novel types of such functionalised and filled multiwalled carbon nanotubes with various advantages for an application in human medicine, especially in anti-tumour therapeutic concepts. These nanotube structures represent multi-functional nano-scaled containers for different medical treatments including magnetically guided hyperthermia. Furthermore these chemical inert and stable carbon nanocontainer can be act as a new drug delivery carrier system. In principle, both, a filling of nanotubes by an open-fill-close process or an attachment of argents on the outside of the carbon nanotube is possible.
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