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 | Nanotech 2006 Vol. 1
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 2: Carbon Nanotubes |
| | Conductive Carbon-Nanotube/Polymer Composites: Spectroscopic Monitoring of the Exfoliation Process in Water and the Crucial Role of Wetting | | Authors: | N. Grossiord, J. Loos, J. Meuldijk, O. Regev, H.E. Miltner, B. Van Mele and C.E. Koning | | Affilation: | Eindhoven University of Technology, NL | | Pages: | 222 - 225 | | Keywords: | percolation threshold, UV-VIS monitoring, Thermal Analysis, Conductivity | | Abstract: | For the preparation of conductive polystyrene/SWNT nanocomposites, a recently developed, versatile, latex-based technology is applied. A low molar mass PS fraction, probably acting as a wetting agent for the SWNTs, seems to be required for an improved PS/SWNT interaction, which accordingly results in enhanced conductivity.
Another crucial step in the entire process is the ultrasound-driven exfoliation of the as produced SWNT bundles in water. By combining UV/VIS and Raman spectroscopy, the maximal attainable degree of exfoliation without seriously damaging the nanotubes could be determined. The exfoliation process was also directly visualized with cryo-TEM images, taken at several stages of the exfoliation process. These images were in agreement with the collected UV/VIS data.
|  | View paper | | ISBN: | 0-9767985-6-5 |
| Pages: | 871 |
| Hardcopy: | $185.00 |
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