Communication

Photoinduced Dispersibility Tuning of Carbon Nanotubes by a Water-Soluble Stilbene as a Dispersant

  1. Yoko Matsuzawa1,*,
  2. Haruhisa Kato2,
  3. Harumi Ohyama1,
  4. Daisuke Nishide1,
  5. Hiromichi Kataura1,
  6. Masaru Yoshida1,*

Article first published online: 26 JUL 2011

DOI: 10.1002/adma.201101960

Issue

Advanced Materials

Advanced Materials

Volume 23, Issue 34, pages 3922–3925, September 8, 2011

Additional Information

How to Cite

Matsuzawa, Y., Kato, H., Ohyama, H., Nishide, D., Kataura, H. and Yoshida, M. (2011), Photoinduced Dispersibility Tuning of Carbon Nanotubes by a Water-Soluble Stilbene as a Dispersant. Adv. Mater., 23: 3922–3925. doi: 10.1002/adma.201101960

Author Information

  1. 1

    Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5-2, 1-1-1 Higashi, Tsukuba, 305-8565, Japan

  2. 2

    National Metrology Institute of Japan, AIST, Tsukuba Central 5-2, 1-1-1 Higashi Tsukuba, 305-8565, Japan

*Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5-2, 1-1-1 Higashi, Tsukuba, 305-8565, Japan.

Publication History

  1. Issue published online: 2 SEP 2011
  2. Article first published online: 26 JUL 2011
  3. Manuscript Received: 26 MAY 2011

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Keywords:

  • carbon nanotubes;
  • photochemistry;
  • stimuli-responsive materials
Thumbnail image of graphical abstract

A water-soluble stilbene derivative with cationic charges enables tuning of the dispersibility of the single-walled carbon nanotubes (SWNTs) in aqueous solution by photoirradiation. The nearly coplanar core of the stilbene dispersant interacts with the SWNTs via π–π interactions, resulting in a stable dispersion of the SWNTs. Photoinduced cyclization for the dispersant-triggered reprecipitation of the SWNTs is due to detachment of the dispersant from SWNTs surfaces.

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