Molecules | |
Effect of Surfactants and Manufacturing Methods on the Electrical and Thermal Conductivity of Carbon Nanotube/Silicone Composites | |
Jarmila Vilčáková1  Robert Moučka1  Petr Svoboda1  Markéta Ilčíková2  Natalia Kazantseva1  Martina Hřibová1  Matej Mičušík2  | |
[1]Polymer Centre, Faculty of Technology, Tomas Bata University in Zlín, Zlín 760 01, Czech Republic | |
[2]Polymer Institute, Slovak Academy of Sciences, Bratislava 845 41, Slovak | |
关键词: multi-wall carbon nanotubes; modification of carbon nanotubes by ionic surfactants; silicone based composites; electrical conductivity; thermal conductivity; percolation threshold; complex permittivity; | |
DOI : 10.3390/molecules171113157 | |
来源: mdpi | |
【 摘 要 】
The effect of ionic surfactants and manufacturing methods on the separation and distribution of multi-wall carbon nanotubes (CNTs) in a silicone matrix are investigated. The CNTs are dispersed in an aqueous solution of the anionic surfactant dodecylbenzene sulfonic acid (DBSA), the cationic surfactant cetyltrimethylammonium bromide (CTAB), and in a DBSA/CTAB surfactant mixture. Four types of CNT-based composites of various concentrations from 0 to 6 vol.% are prepared by simple mechanical mixing and sonication. The morphology, electrical and thermal conductivity of the CNT-based composites are analyzed. The incorporation of both neat and modified CNTs leads to an increase in electrical and thermal conductivity. The dependence of DC conductivity
【 授权许可】
CC BY
© 2012 by the authors; licensee MDPI, Basel, Switzerland.
【 预 览 】
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RO202003190040811ZK.pdf | 2419KB | download |