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Synergy effects in the electrical conductivity behavior of onion-like carbon and multiwalled carbon nanotubes composites.
- Source :
- Physica Status Solidi (B); Aug2015, Vol. 252 Issue 8, p1799-1803, 5p
- Publication Year :
- 2015
-
Abstract
- The dielectric/electric properties of polyurethane composites filled with carbon nanotubes (CNT), onion-like carbon (OLC), and mixed OLC/CNT are compared across a wide frequency range from hertz to terahertz. The dielectric/electric properties of composites filled with OLC are very attractive and can be improved by addition of small amounts of CNTs due to a strong synergism between the two carbon allotropes. Moreover, in composites with mixed OLC/CNT inclusions, the value of the percolation threshold is lower than the value predicted by the excluded-volume theory. In composites with mixed OLC/CNT inclusions, the dielectric permittivity and electrical conductivity increase due to a decrease in the average distance between nanocarbon clusters. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03701972
- Volume :
- 252
- Issue :
- 8
- Database :
- Complementary Index
- Journal :
- Physica Status Solidi (B)
- Publication Type :
- Academic Journal
- Accession number :
- 108720091
- Full Text :
- https://doi.org/10.1002/pssb.201451745