DOI: 10.1063/1.3544942. High dielectric permittivity and low percolation threshold in polymer composites based on SiC-carbon nanotubes micro/nano hybrid

High dielectric permittivity and low percolation threshold in polymer composites based on SiC-carbon nanotubes micro/nano hybrid

10.1063/1.3544942

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Vertically aligned carbon nanotubes (CNTs) were synthesized on SiC microplates. Resultant SiC-CNTs hybrids were further incorporated into poly(vinylidene fluoride) (PVDF) as conductive filler to prepare percolative composites. They exhibited a much low percolation threshold (1.47 vol %), but the dielectric permittivity was enhanced significantly. The largest dielectric permittivity of 8700 was observed in the SiC-CNTs/PVDF composites with 2.3 vol % CNTs at 100 Hz. A microcapacitor model was proposed to explain the obtained results based on the special geometry of the hybrid SiC-CNTs filler.

Bibliography

Yuan, J.-K., Li, W.-L., Yao, S.-H., Lin, Y.-Q., Sylvestre, A., & Bai, J. (2011). High dielectric permittivity and low percolation threshold in polymer composites based on SiC-carbon nanotubes micro/nano hybrid. Applied Physics Letters, 98(3).

Authors 6

Jin-Kai Yuan (first)
Wei-Long Li (additional)
Sheng-Hong Yao (additional)
You-Qin Lin (additional)
Alain Sylvestre (additional)
Jinbo Bai (additional)

References 18 Referenced 131

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Dates

Type	When
Created	14 years, 7 months ago (Jan. 21, 2011, 6:40 p.m.)
Deposited	2 years, 2 months ago (June 24, 2023, 10:17 p.m.)
Indexed	3 weeks, 6 days ago (Aug. 7, 2025, 4:47 p.m.)
Issued	14 years, 7 months ago (Jan. 17, 2011)
Published	14 years, 7 months ago (Jan. 17, 2011)
Published Online	14 years, 7 months ago (Jan. 21, 2011)
Published Print	14 years, 7 months ago (Jan. 17, 2011)

Funders 0

None

BibTeX

@article{Yuan_2011, title={High dielectric permittivity and low percolation threshold in polymer composites based on SiC-carbon nanotubes micro/nano hybrid}, volume={98}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3544942}, DOI={10.1063/1.3544942}, number={3}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Yuan, Jin-Kai and Li, Wei-Long and Yao, Sheng-Hong and Lin, You-Qin and Sylvestre, Alain and Bai, Jinbo}, year={2011}, month=jan }

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