Berlin 2005 – wissenschaftliches Programm

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CPP: Chemische Physik und Polymerphysik

CPP 30: POSTER: Chemical physics

CPP 30.52: Poster

Dienstag, 8. März 2005, 16:30–18:30, Poster TU D

Generation and purification of single-wall carbon nanotubes from alcohol and their characterization — •D. Malsch, M. Hofmann, R. Brunner, M. Eremtchenko, R. Öttking, S. Krischok, and J.A. Schaefer — TU Ilmenau, Institut für Physik und Zentrum für Mikro- und Nanotechnologie, Postfach 100565, 98684 Ilmenau

Since the discovery of carbon nanotubes in 1991 by S. Iijima, this new form of elemental carbon has arisen much research interest. Due to their small dimensions and unique mechanical and electronic properties, one can imagine many possible applications in micro- and nanotechnology and other technological areas.

The growth of carbon nanotubes has been investigated in detail during the last ten years. Many factors have to be considered like yield, purity, quality and scalability. Here, the setup of an alcohol CVD according to Maruyama et al for the generation of single-wall carbon nanotubes is presented. Advantages of this setup are its simple and low-cost construction, its easy scalability and its safe operation while providing good growth results.

Growth parameters, catalyst preparation and purification methods are optimized for the yield and quality of single-wall carbon nanotubes. The characterization of this material with Raman spectroscopy and electron microscopy as well as surface-specific methods (photo electron spectroscopy and electron energy loss spectroscopy) has been applied.