Purification of Single-walled Carbon Nanotubes Grown by a Chemical Vapour Deposition (CVD) Method |
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| Authors: | Cigang Xu Emmanuel Flahaut Sam R Bailey Gareth Brown Jeremy Sloan Karl S Coleman V Clifford Williams Malcolm L H Green |
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| Institution: | 1. Inorganic Chemistry Laboratory, University of Oxford, Oxford, OX1 3QR, UK;
2. Department of Materials, University of Oxford, Ocford, OX1 3PH, UK |
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| Abstract: | A procedure for purification of single walled carbon nanotubes(SWNTs) grown by the chemical vapour deposition(CVD) of carbon monooxide has been developed. Based on the result from TGA/DTA of as prepared sample, the oxidation temperature was determined. The process included sonication, oxidation and acid washing steps. The purity and yield after purification were determined and estimated by TEM. Moreover, for the first time, a loop structure for CVD SWNTs has been observed. |
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| Keywords: | Single walled carbon nanotubes(SWNTs) Purification Chemical vapour deposition(CVD) |
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