Carbon nanotube composites for broadband microwave absorbing materials
(2006) IEEE Transactions on Microwave Theory and Techniques — Vol. 54, n° 6 (part I), p. 2745-2754 (part I) (2006)
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- Authors
Bailly, Christian 
- Abstract
- In this paper, we present a new shielding and absorbing composite based on carbon nanotubes (CNTs) dispersed inside a polymer dielectric material. The extremely high aspect ratio of CNTs and their remarkable conductive properties lead to good absorbing properties with very low concentrations. A broadband characterization technique is used to measure the microwave electrical properties of CNT composites. It is shown that a conduction level of 1 S/m is reached for only 0.35 weight % of a CNT, while, for a classical absorbing composite based on carbon black, 20% concentration is mandatory. The conductive properties are explained by a phenomenological electrical model and successfully correlated with rheological data aiming at monitoring the dispersion of conductive inclusions in polymer matrices.
- Affiliations
Citations
Saib, A., Bednarz, L., Daussin, R., Bailly, C., Lou, X., Thomassin, J.-M., Pagnoulle, C., Detrembleur, C., Jérôme, R., & Huynen, I. (2006). Carbon nanotube composites for broadband microwave absorbing materials. IEEE Transactions on Microwave Theory and Techniques, 54(6 (part I)), 2745-2754 (part I). https://doi.org/10.1109/TMTT.2006.874889 (Original work published 2006)