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Proceedings Paper

Photo-responsible gel actuator developed with scanning microscopic light scattering
Author(s): Hidemitsu Furukawa; Mayumi Yoshikawa; Kyoko Yamada; Toshiyuki Watanabe; Ruri Hidema; Kazuyuki Horie
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Paper Abstract

Sensitive deformation of polymer gel actuator induced by various stimuli has been intensively investigated. The utilization of light however will significantly broaden their applications. Here we show that photo-responsive gels prepared from rigid poly(amide acid) chains having azobenzene moieties in main chains can undergo a macroscopic deformation induced by photo-isomerization. A rod-shape gel can sharply and swiftly bend by blue laser irradiation and reversibly straighten when exposed to visible light. By using a scanning microscopic light scattering, the optimal preparing condition of the gels was determined and the reversible change in mesh-size between 2.1 nm and 0.83 nm was observed.

Paper Details

Date Published: 27 March 2012
PDF: 6 pages
Proc. SPIE 8341, Active and Passive Smart Structures and Integrated Systems 2012, 83411T (27 March 2012); doi: 10.1117/12.915184
Show Author Affiliations
Hidemitsu Furukawa, Yamagata Univ. (Japan)
Mayumi Yoshikawa, Tokyo Univ. of Agriculture and Technology (Japan)
Kyoko Yamada, Tokyo Univ. of Agriculture and Technology (Japan)
Toshiyuki Watanabe, Tokyo Univ. of Agriculture and Technology (Japan)
Ruri Hidema, Yamagata Univ. (Japan)
Kazuyuki Horie, Japan Synchrotron Radiation Research Institute (Japan)

Published in SPIE Proceedings Vol. 8341:
Active and Passive Smart Structures and Integrated Systems 2012
Henry A. Sodano, Editor(s)

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