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Issue 18, 2010
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First jump of microgel; actuation speed enhancement by elastic instability

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Abstract

Swelling-induced snap-buckling in a 3D micro hydrogel device, inspired by the insect-trapping action of Venus flytrap, makes it possible to generate astonishingly fast actuation. We demonstrate that elastic energy is effectively stored and quickly released from the device by incorporating elastic instability. Utilizing its rapid actuation speed, the device can even jump by itself upon wetting.

Graphical abstract: First jump of microgel; actuation speed enhancement by elastic instability

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Article information


Submitted
11 Mar 2010
Accepted
09 Jul 2010
First published
11 Aug 2010

Soft Matter, 2010,6, 4342-4345
Article type
Communication

First jump of microgel; actuation speed enhancement by elastic instability

H. Lee, C. Xia and N. X. Fang, Soft Matter, 2010, 6, 4342
DOI: 10.1039/C0SM00092B

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