Fabrication of stacked-cup carbon nanotube/polymer nanocomposite films with linear controlled percolation routes
- Authors
- Minh Triet Tan Huynh; Nakayama, Tadachika; Kawamoto, Akira; Son Thanh Nguyen; Suzuki, Tsuneo; Suematsu, Hisayuki; Niihara, Koichi; Cho, Hong-Baek; Choa, Yong-Ho
- Issue Date
- Mar-2016
- Publisher
- Elsevier BV
- Keywords
- Composite materials; Polymers; Electrical conductivity; Microstructure
- Citation
- Materials Chemistry and Physics, v.171, pp.39 - 44
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Chemistry and Physics
- Volume
- 171
- Start Page
- 39
- End Page
- 44
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/14169
- DOI
- 10.1016/j.matchemphys.2016.01.027
- ISSN
- 0254-0584
- Abstract
- Linear assemblies of stacked-cup carbon nanotubes (SCCNTs) were fabricated with structural variation triggered-by applied electric field in a polymer matrix while the prepolymer suspension of polysiloxane was cross-linked. Combination of solvent and the vacuum treatment was applied to facilitate the narrower filler-to-filler gaps with decreased void volume of the composite. The assembly of the SCCNTs in the polymer was achieved without surface modification at less than 0.15 vol% filler. The resulting polymer nanocomposites had significantly fewer micropores and decreased electrical resistivity, a decrease of 5 orders of magnitude compared with composite with a random distribution of fillers, demonstrating their potential as an electrode sensor for biomedical brain-wave monitoring without generating artifact images. This work may provide valuable guidelines for designing optimum polymer electrode sensors from 1 dimensional SCCNT assemblies. (C) 2016 Elsevier B.V. All rights reserved.
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