Abstract
A temperature window of single-walled carbon nanotubes (SWCNTs) growth has been studied by Raman spectroscopy. The results presented when temperature lower than 750 °C, there were few SWCNTs formed, and when temperature higher than 900 °C, mass amorphous carbons were formed in the SWCNTs bundles due to the self-decomposition of CH4. The temperature window of SWCNTs efficiently growth is between 800 and 900 °C, and the optimum growth temperature is about 850 °C. These results were supported by transmission electron microscope images of samples formed under different temperature. The temperature window is important for large-scale production of SWCNTs by catalytic chemical vapor deposition method.
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This work has been supported by the National Natural Science Foundation of China and Natural Science Foundation of Linyi, China.
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Ouyang, Y., Chen, L., Liu, Qx. et al. A temperature window for the synthesis of single-walled carbon nanotubes by catalytic chemical vapor deposition of CH4 over Mo-Fe/MgO catalyst. Optoelectron. Lett. 4, 96–98 (2008). https://doi.org/10.1007/s11801-008-7115-6
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DOI: https://doi.org/10.1007/s11801-008-7115-6