Dispersion of carbon nanotubes by photo- and thermal-responsive polymers containing azobenzene unit in the backbone

Tomokazu Umeyama; Kazuhiro Kawabata; Noriyasu Tezuka; Yoshihiro Matano; Yuji Miyato; Kazumi Matsushige; Masahiko Tsujimoto; Seiji Isoda; Mikio Takano; Hiroshi Imahori

doi:10.1039/C0CC00709A

Dispersion of carbon nanotubes by photo- and thermal-responsive polymers containing azobenzene unit in the backbone†‡

Tomokazu Umeyama,^a Kazuhiro Kawabata,^a Noriyasu Tezuka,^a Yoshihiro Matano,^a Yuji Miyato,^b Kazumi Matsushige,^b Masahiko Tsujimoto,^c Seiji Isoda,^c Mikio Takano^c and Hiroshi Imahori*^ac

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* Corresponding authors

^a Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan

^b Department of Electronic Science and Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan

^c Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
E-mail: imahori@scl.kyoto-u.ac.jp
Fax: + 81 75 383 2571
Tel: + 81 75 383 2566

Abstract

Photo- and thermal-responsive polymers containing azobenzene units in the main chain have been utilized as removable dispersants for single-walled carbon nanotubes (SWNTs) in organic solvents. Intermolecular interactions between SWNTs and the polymers are reversibly controllable by tuning the trans–cis composition.

This article is part of the themed collection: Carbon nanostructures

Chemical Communications

Dispersion of carbon nanotubes by photo- and thermal-responsive polymers containing azobenzene unit in the backbone†‡

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Dispersion of carbon nanotubes by photo- and thermal-responsive polymers containing azobenzene unit in the backbone

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