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Cephalopods have evolved complex optical mechanisms of dynamic skin color control based on mechanical actuation of micro-scale optical structures such as iridophores and chromatophores. In this work, we describe the design, fabrication, and characterization of bio-inspired artificial iridophores, which resemble microflowers with flexible reflective petals, based on capillary origami microstructures. Two methods of petal actuation have been demonstrated—one based on the electrowetting process and the other by volume change of the liquid droplet. These results were in good agreement with a model derived to characterize the actuation dynamics.
Published in:
Applied Physics Letters
(Volume:99
,
Issue:
14
)
Date of Publication: Oct 2011
- Page(s):
- 144102 - 144102-3
- ISSN :
- 0003-6951
- Digital Object Identifier :
- 10.1063/1.3646394
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 October 2011
- Issue Date :
- Oct 2011
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