Photo-responsible gel actuator developed with scanning microscopic light scattering

Hidemitsu Furukawa; Mayumi Yoshikawa; Kyoko Yamada; Toshiyuki Watanabe; Ruri Hidema; Kazuyuki Horie

doi:10.1117/12.915184

27 March 2012 Photo-responsible gel actuator developed with scanning microscopic light scattering

Hidemitsu Furukawa, Mayumi Yoshikawa, Kyoko Yamada, Toshiyuki Watanabe, Ruri Hidema, Kazuyuki Horie

Proceedings Volume 8341, Active and Passive Smart Structures and Integrated Systems 2012; 83411T (2012) https://doi.org/10.1117/12.915184
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

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.

Citation Download Citation

Hidemitsu Furukawa, Mayumi Yoshikawa, Kyoko Yamada, Toshiyuki Watanabe, Ruri Hidema, and Kazuyuki Horie "Photo-responsible gel actuator developed with scanning microscopic light scattering", Proc. SPIE 8341, Active and Passive Smart Structures and Integrated Systems 2012, 83411T (27 March 2012); https://doi.org/10.1117/12.915184

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