4.6 Article

Fabrication and stimuli-responsive behavior of flexible micro-scrolls

Journal

SOFT MATTER
Volume 8, Issue 27, Pages 7103-7107

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2sm25366f

Keywords

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Funding

  1. Natural Science Foundation of China [61008029, 51102049, 51103027]
  2. Program for New Century Excellent Talents in University [NCET-10-0345]
  3. Shanghai Pujiang Program [11PJ1400900]
  4. Shu Guang project by Shanghai Municipal Education Commission
  5. Shanghai Education Development Foundation

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We have fabricated micro-scrolls (tubes/springs) by rolling up pre-strained metal/PVA-PAA bilayers, where the strain is caused by the swelling of the PVA-PAA hydrogel in aqueous media. Stimuliresponsive behavior of the micro-tubes/springs is demonstrated by rolling and unrolling caused by the volume change of the PVA-PAA hydrogel in response to environmental fluids.

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