Modeling the electrical resistivity of polymer composites with segregated structures

Sung Hoon Park, Jinyoung Hwang, Gyeong Su Park, Ji Hwan Ha, Minsu Zhang, Dongearn Kim, Dong Jin Yun, Sangeui Lee, Sang Hyun Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Hybrid carbon nanotube composites with two different types of fillers have attracted considerable attention for various advantages. The incorporation of micro-scale secondary fillers creates an excluded volume that leads to the increase in the electrical conductivity. By contrast, nano-scale secondary fillers shows a conflicting behavior of the decreased electrical conductivity with micro-scale secondary fillers. Although several attempts have been made in theoretical modeling of secondary-filler composites, the knowledge about how the electrical conductivity depends on the dimension of secondary fillers was not fully understood. This work aims at comprehensive understanding of the size effect of secondary particulate fillers on the electrical conductivity, via the combination of Voronoi geometry induced from Swiss cheese models and the underlying percolation theory. This indicates a transition in the impact of the excluded volume, i.e., the adjustment of the electrical conductivity was measured in cooperation with loading of second fillers with different sizes.

Original languageEnglish
Article number2537
JournalNature communications
Volume10
Issue number1
DOIs
Publication statusPublished - 2019 Dec 1

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Electric Conductivity
fillers
Fillers
Polymers
electrical resistivity
composite materials
Composite materials
polymers
Carbon Nanotubes
Cheese
Cheeses
particulates
adjusting
carbon nanotubes
Geometry
geometry

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Modeling the electrical resistivity of polymer composites with segregated structures. / Park, Sung Hoon; Hwang, Jinyoung; Park, Gyeong Su; Ha, Ji Hwan; Zhang, Minsu; Kim, Dongearn; Yun, Dong Jin; Lee, Sangeui; Lee, Sang Hyun.

In: Nature communications, Vol. 10, No. 1, 2537, 01.12.2019.

Research output: Contribution to journalArticle

Park, SH, Hwang, J, Park, GS, Ha, JH, Zhang, M, Kim, D, Yun, DJ, Lee, S & Lee, SH 2019, 'Modeling the electrical resistivity of polymer composites with segregated structures', Nature communications, vol. 10, no. 1, 2537. https://doi.org/10.1038/s41467-019-10514-4
Park, Sung Hoon ; Hwang, Jinyoung ; Park, Gyeong Su ; Ha, Ji Hwan ; Zhang, Minsu ; Kim, Dongearn ; Yun, Dong Jin ; Lee, Sangeui ; Lee, Sang Hyun. / Modeling the electrical resistivity of polymer composites with segregated structures. In: Nature communications. 2019 ; Vol. 10, No. 1.
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