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Biomimetic gyroid nanostructures exceeding their natural origins

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posted on 2024-07-09, 23:24 authored by Zongsong Gan, Mark D. Turner, Min Gu
Using optical two-beam lithography with improved resolution and enhanced mechanical strength, we demonstrate the replication of gyroid photonic nanostructures found in the butterfly Callophrys rubi. These artificial structures are shown to have size, controllability, and uniformity that are superior to those of their biological counterparts. In particular, the elastic Young's modulus of fabricated nanowires is enhanced by up to 20%. As such, the circular dichroism enabled by the gyroid nanostructures can operate in the near-ultraviolet wavelength region, shorter than that supported by the natural butterfly wings of C. rubi. This fabrication technique provides a unique tool for extracting three-dimensional photonic designs from nature and will aid the investigation of biomimetic nanostructures.

Funding

CE110001018:ARC

Copepod Resting Eggs As a Predator Avoidance Mechanism

Directorate for Biological Sciences

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ISSN

2375-2548

Journal title

Science Advances

Volume

2

Issue

5

Article number

article no. e1600084

Publisher

American Association for the Advancement of Science

Copyright statement

Copyright © 2016 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. Distributed under a Creative Commons Attribution Non Commercial License 4.0 (CC BY-NC).

Language

eng

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