Purity evaluation and influence of carbon nanotube on carbon nanotube/graphite thermal stability |
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| Authors: | Aline M F Lima Anthony W Musumeci Hong-Wei Liu Eric R Waclawik Glaura G Silva |
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| Institution: | 1.Departamento de Química,Universidade Federal de Minas Gerais,Belo Horizonte,Brazil;2.Inorganic Materials Research Program, School of Physical and Chemical Sciences,Queensland University of Technology,Brisbane,Australia |
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| Abstract: | High resolution thermogravimetry has been used to evaluate the carbonaceous content in a commercial sample of single-walled
carbon nanotube (SWNT). The content of SWNTs in the sample was found to be at least 77 mass% which was supported by images
obtained with scanning and transmission electron microscopies (SEM and TEM). Furthermore, the influence of SWNT addition on
the thermal stability of graphite in mixtures of SWNT/graphite at different proportions was investigated. The graphite stability
decreased with the increased of SWNT content in the overall range of composition. This behavior could be due to the close
contact between these carbonaceous species as determined by SEM analysis. |
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