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Morphologies and microstructures of tree-like carbon produced at different reaction conditions in a CVD process

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Su,  Dang Sheng
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Klein-Hoffmann,  Achim
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Ma, H.-L., Su, D. S., Klein-Hoffmann, A., Jin, G.-Q., & Guo, X.-Y. (2006). Morphologies and microstructures of tree-like carbon produced at different reaction conditions in a CVD process. Carbon, 44(11), 2254-2260. Retrieved from http://dx.doi.org/10.1016/j.carbon.2006.02.033.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0664-6
Abstract
Centimeter-size multi-branched tree-like carbon structures have been generated by the catalytic chemical vapor deposition of toluene using ferrocene as the catalyst precursor and investigated by means of SEM, TEM, and EDX. It is found that a temperature of 1000–1200 °C and a carrier gas flow rate of 1000–2500 ml/min are necessary for the generation of the carbon trees. Their morphologies and microstructures change greatly with the changing reaction conditions. The fractal dimensions of the trees are calculated to quantitatively investigate the influence of different reaction temperatures on the morphologies.