Characterization of commercial double-walled carbon nanotube material : composition, structure, and heat capacity
Silva, Glaura, Musumeci, Anthony W., Gomes, Ana Paula, Liu, Jiang-Wen, Waclawik, Eric R., George, Graeme A., Frost, Ray L., & Pimenta, Marcos A. (2009) Characterization of commercial double-walled carbon nanotube material : composition, structure, and heat capacity. Journal of Materials Science, 44(13), pp. 3498-3503.
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Abstract
A purified commercial double-walled carbon nanotube (DWCNT) sample was investigated by transmission electron microscopy (TEM), thermogravimetry (TG), and Raman spectroscopy. Moreover, the heat capacity of the DWCNT sample was determined by temperature-modulated differential scanning calorimetry in the range of temperature between -50 and 290 °C. The main thermo-oxidation characterized by TG occurred at 474 °C with the loss of 90 wt% of the sample. Thermo-oxidation of the sample was also investigated by high-resolution TG, which indicated that a fraction rich in carbon nanotube represents more than 80 wt% of the material. Other carbonaceous fractions rich in amorphous coating and graphitic particles were identified by the deconvolution procedure applied to the derivative of TG curve. Complementary structural data were provided by TEM and Raman studies. The information obtained allows the optimization of composites based on this nanomaterial with reliable characteristics.
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| ID Code: | 25860 |
|---|---|
| Item Type: | Journal Article |
| Additional URLs: | |
| Keywords: | double-walled carbon nanotubes, DWNTs, heat capacity, thermogravimetry, Raman Spectroscopy |
| DOI: | 10.1007/s10853-009-3468-x |
| ISSN: | 0022-2461 |
| Subjects: | Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Physical Chemistry not elsewhere classified (030699) Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606) |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology Past > Institutes > Institute for Sustainable Resources Past > Schools > School of Physical & Chemical Sciences |
| Copyright Owner: | Copyright 2009 Springer |
| Deposited On: | 23 Jun 2009 08:38 |
| Last Modified: | 01 Mar 2012 00:07 |
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