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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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Publication details

The article was received on 11 Mar 2010, accepted on 09 Jul 2010 and first published on 11 Aug 2010


Article type: Communication
DOI: 10.1039/C0SM00092B
Soft Matter, 2010,6, 4342-4345

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    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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