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  1. 1 Polish Journal of Chemical Technology

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  1. 1 2010

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  1. 1 Pełech I.

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Preparation of carbon nanotubes using cvd CVD method

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Pełech I.
Polish Journal of Chemical Technology
|
2010
|
vol. 12
|
issue 3
45-49
EN
In this work preparation and characteristic of modified nanocarbons is described. These materials were obtained using nanocrystalline iron as a catalyst and ethylene as a carbon source at 700°C. The influence of argon or hydrogen addition to reaction mixture was investigated. After ethylene decomposition samples were hydrogenated at 500°C. As a results iron carbide (Fe3C) in the carbon matrix in the form of multi walled carbon nanotubes was obtained. After a treatment under hydrogen atmosphere iron carbide decomposed to iron and carbon and small iron particles agglomerated into larger ones.
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