Communication

UV-Light-Induced Swelling and Visible-Light-Induced Shrinking of a TiO2-Containing Redox Gel†

  1. T. Tatsuma1,2,
  2. K. Takada1,3,
  3. T. Miyazaki1

Article first published online: 13 APR 2007

DOI: 10.1002/adma.200602386

Issue

Advanced Materials

Advanced Materials

Volume 19, Issue 9, pages 1249–1251, May, 2007

Additional Information

How to Cite

Tatsuma, T., Takada, K. and Miyazaki, T. (2007), UV-Light-Induced Swelling and Visible-Light-Induced Shrinking of a TiO2-Containing Redox Gel. Adv. Mater., 19: 1249–1251. doi: 10.1002/adma.200602386

Author Information

  1. 1

    Institute of Industrial Science, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505 (Japan)

  2. 2

    PRESTO, Japan Science and Technology Agency, Honcho, Kawaguchi-shi, Saitama 332-0012 (Japan)

  3. 3

    Present address: Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan

  1. †

    This work was supported in part by a Grant-in-Aid for Scientific Research on Priority Areas (Area No. 417, Research No. 14050028 for T.T.) from the Ministry of Education, Culture, Sports, Science and Technology of Japan and a Grant-in-Aid for Scientific Research (No. 17350064 for T.T.) from the Japan Society for the Promotion of Science (JSPS).

Publication History

  1. Issue published online: 27 APR 2007
  2. Article first published online: 13 APR 2007
  3. Manuscript Revised: 25 NOV 2006
  4. Manuscript Received: 20 OCT 2006

Funded by

  • Grant-in-Aid for Scientific Research on Priority Areas. Grant Number: 14050028
  • Ministry of Education, Culture, Sports, Science and Technology of Japan
  • Grant-in-Aid for Scientific Research. Grant Number: 17350064
  • Japan Society for the Promotion of Science

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Keywords:

  • Electrochemistry;
  • Hydrogels;
  • Photocatalysis;
  • Photochemistry;
  • Silver
Thumbnail image of graphical abstract

A poly(acrylate) gel containing Ag+and TiO2nanoparticles is swollen by UV light and shrunk by visible light in water (see figure and cover). The swollen gel keeps its size and shape in the dark. Localized irradiation with UV and visible light causes localized swelling and shrinking, respectively.

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