Densely packed linear assembles of carbon nanotube bundles in polysiloxane-based nanocomposite films

Hong Baek Cho, Minh Triet Tan Huynh, Tadachika Nakayama, Son Thanh Nguyen, Hisayuki Suematsu, Tsuneo Suzuki, Weihua Jiang, Satoshi Tanaka, Yoshinori Tokoi, Soo Wohn Lee, Tohoru Sekino, Koichi Niihara

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Linear assemblies of carbon nanotubes (LACNTs) were fabricated and controlled in polysiloxane-based nanocomposite films and the effects of the LACNTs on the thermal and electrical properties of the films were investigated. CNTs were dispersed by mechanical stirring and sonication in a prepolymer of polysiloxane. Homogeneous suspensions were cast on polyamide spacers and oriented by linear-assembly by applying DC and switching DC electric fields before the mixture became cross-linked. Densely packed LACNTs that fixed the composite film surfaces were fabricated with various structures and thicknesses that depended on the DC and switching DC conditions. Polymer nanocomposites with different LACNT densities exhibited enhanced thermal and electrical conductivities and high optical transmittances. They are considered promising structural materials for electronic sectors in automotive and aerospace applications.

Original languageEnglish
Article number564307
JournalJournal of Nanomaterials
Volume2013
DOIs
Publication statusPublished - 2013 Oct 21

ASJC Scopus subject areas

  • Materials Science(all)

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