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|Title:||Formation route of carbon nanotubes in a gel matrix|
|Citation:||Ji, L., Lin, J., Zeng, H.C. (2000). Formation route of carbon nanotubes in a gel matrix. Chemistry of Materials 12 (11) : 3466-3471. ScholarBank@NUS Repository. https://doi.org/10.1021/cm0004782|
|Abstract:||Using FTIR, XRD, XPS, SEM, TEM, and TGA methods, we describe a novel solid-state route for carbon nanotube formation. Carbon nanotubes have been synthesized at 300 °C for the first time in a gel matrix prepared by the sol - gel method. Acetylacetone (C5H8O2) was used as a solid-state carbon source and was preintroduced into a gel matrix of Codoped Al2O3 via metal-chelating. Upon heating, acetylacetonate groups (C5H7O2) anchored in the matrix were converted into carbon nanotubes while nanometer size Co3O4 and CoAl2O4 were formed. As the synthetic growth is confined within the gel space, the present method can be further developed to make 1D, 2D, and 3D carbon nanotubes by controlling the shape and dimension of a gel matrix.|
|Source Title:||Chemistry of Materials|
|Appears in Collections:||Staff Publications|
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