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2012•Angewandte Chemie International EditionRequires access

Discotic Ionic Liquid Crystals of Triphenylene as Dispersants for Orienting Single‐Walled Carbon Nanotubes

Jeongho Jay Lee, Akihisa Yamaguchi, Md. Akhtarul Alam, Yohei Y. Yamamoto, Takanori Fukushima, Kenichi Kato, Masaki Takata, Norifumi Fujita, Takuzo Aida

Open publisher page 87 citations

Abstract

Orient and conduct: Triphenylene-based discotic ionic liquid crystals (ILCs) with six imidazolium ion pendants can disperse pristine single-walled carbon nanotubes (SWNTs). When the ILC is columnarly assembled, doping with SWNTs results in macroscopic homeotropic columnar orientation. Combination of shear and annealing treatments gives rise to three different orientation states, which determine the anisotropy of electrical conduction.

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What this paper is about

Orient and conduct: Triphenylene-based discotic ionic liquid crystals (ILCs) with six imidazolium ion pendants can disperse pristine single-walled carbon nanotubes (SWNTs). When the ILC is columnarly assembled, doping with SWNTs results in macroscopic homeotropic columnar orientation. Combination of shear and annealing treatments gives rise to three different orientation states, which determine the anisotropy of electrical conduction.

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Available abstract

Orient and conduct: Triphenylene-based discotic ionic liquid crystals (ILCs) with six imidazolium ion pendants can disperse pristine single-walled carbon nanotubes (SWNTs). When the ILC is columnarly assembled, doping with SWNTs results in macroscopic homeotropic columnar orientation. Combination of shear and annealing treatments gives rise to three different orientation states, which determine the anisotropy of electrical conduction.

Key concepts: Triphenylene, Homeotropic alignment, Discotic liquid crystal, Materials science, Carbon nanotube, Ionic liquid, Anisotropy, Liquid crystal

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