Catalytic Decomposition of Ethylene on Nanocrystalline Cobalt |
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| Journal | Solid State Phenomena (Volume 128) |
|---|---|
| Volume | Doped Nanopowders |
| Edited by | Witold Łojkowski and John R. Blizzard, Urszula Narkiewicz and Janusz D. Fidelus |
| Pages | 249-254 |
| DOI | 10.4028/www.scientific.net/SSP.128.249 |
| Citation | Urszula Narkiewicz et al., 2007, Solid State Phenomena, 128, 249 |
| Online since | October, 2007 |
| Authors | Urszula Narkiewicz, Marcin Podsiadły, Iwona Pełech, Waleran Arabczyk, M.J. Woźniak, Krzysztof J. Kurzydłowski |
| Keywords | Carbon Deposit, High Resolution Transmission Electron Microscopy, Nanocrystalline Cobalt, Thermogravimetry |
| Abstract | Nanocrystalline cobalt was carburised with ethylene in the range 340– 500°C to obtain Co(C) nanocapsules. The carbon deposit was reduced by a flow of hydrogen in the range 500– 560°C. The reduction kinetics were studied using thermogravimetry, described by the equation: α = Α[1-exp(-kt)n]. The apparent activation energy of the reduction process of the carbon deposit was determined. After carburisation and reduction the samples were examined by XRD and HRTEM. |
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