Large area nanofabrication of butterfly wing's three dimensional ultrastructures

Aryal, Mukti; Ko, Doo Hyun; Tumbleston, John R.; Gadisa, Abay; Samulski, Edward T.; López, René

doi:10.1116/1.4759461

Cited by 42 publications

(51 citation statements)

References 30 publications

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“…Examples of these materials include porous silicon (27), opal structures (24), inverse opal structures (28), aperiodic nanoparticle arrays (40), and others as well as those based on nanotemplated (41) and nanofabricated (42,43) structures that mimic butterfly scales. Photonic sensors based on these traditional sensing materials can be upgraded with designs that promote their multivariable response.…”

Section: Discussionmentioning

confidence: 99%

Discovery of the surface polarity gradient on iridescent Morpho butterfly scales reveals a mechanism of their selective vapor response

Potyrailo

Starkey

Vukusic

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

101

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Significance Morpho butterflies are a brilliant spectacle of nature’s capability for photonic engineering. Their conspicuous appearance arises from the interference and diffraction of light within tree-like nanostructures on their scales. Scientific lessons learned from these butterflies have already inspired designs of new displays, fabrics, and cosmetics. This study reports a vertical surface polarity gradient in these tree-like structures. This biological pattern design may be applied to numerous technological applications ranging from security tags to self-cleaning surfaces, gas separators, protective clothing, and sensors. Here it has allowed us to unveil a general mechanism of selective vapor response in photonic Morpho nanostructures and to demonstrate attractive opportunities for chemically graded sensing units for high-performance sensing.

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Section: Discussionmentioning

confidence: 99%

Discovery of the surface polarity gradient on iridescent Morpho butterfly scales reveals a mechanism of their selective vapor response

Potyrailo

Starkey

Vukusic

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

101

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“…Watanabe et al [22] successfully fabricated replica of Morpho butterfly scales using focused-ion-beam chemical-vapor-deposition (FIB-CVD) and observed brilliant blue color refection. Aryal et al [23] recently introduced a method for the large area nanofabrication and subsequent nanoimprinting of three dimensional butterfly structures.…”

Section: Introductionmentioning

confidence: 99%

Theoretical and experimental analysis of the structural pattern responsible for the iridescence of Morpho butterflies

et al. 2013

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Abstract:Morpho butterflies are well-known for their iridescence originating from nanostructures in the scales of their wings. These optical active structures integrate three design principles leading to the wide angle reflection: alternating lamellae layers, "Christmas tree" like shape, and offsets between neighboring ridges. We study their individual effects rigorously by 2D FEM simulations of the nanostructures of the Morpho sulkowskyi butterfly and show how the reflection spectrum can be controlled by the design of the nanostructures. The width of the spectrum is broad (≈ 90 nm) for alternating lamellae layers (or "brunches") of the structure while the "Christmas tree" pattern together with a height offset between neighboring ridges reduces the directionality of the reflectance. Furthermore, we fabricated the simulated structures by e-beam lithography. The resulting samples mimicked all important optical features of the original Morpho butterfly scales and feature the intense blue iridescence with a wide angular range of reflection.

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“…Morphologies like the moth eye can be easily replicated as there are no undercuts [11,12]. Truly three-dimensional nanostructures with undercuts like the Christmas tree-like structure of the Morpho butterfly, however, are still a challenge which can be attacked by material specific under-etching [13]. Nonetheless, the replication of complex, hierarchical nano-and microstructures is laborious and restricted to small areas in many cases.…”

Section: Introductionmentioning

confidence: 99%

Nanothermoforming of hierarchical optical components utilizing shape memory polymers as active molds

Schneider¹,

Zeiger²,

Kolew³

et al. 2014

Opt. Mater. Express

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Abstract:We utilize shape memory polymers as active mold inserts for the thermoforming of complex, hierarchical nano-and microstructured optical components with undercuts on large scales. Our approach combines nanoimprint/hot embossing and thermoforming with the unique features of shape memory polymers. As examples for this nano-and microthermoforming process, we demonstrate the fabrication of hierarchical photonic structures inspired by the blue Morpho butterfly as well as diffractive optical elements with nm-and µm-size structures. 191-199 (2006). 19. A. Lendlein and R. Langer, "Biodegradable, elastic shape-memory polymers for potential biomedical applications," Science 296, 1673Science 296, -1676Science 296, (2002. 20. C. Liu, H. Qin, and P. T. Mather, "Review of progress in shape-memory polymers," J. Mat. Chem. 17, 1543-1558(2007. 21. T. Xie, "Tunable polymer multi-shape memory effect," Nature 464, 267-270 (2010 4, 35-56 (1986).

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Large area nanofabrication of butterfly wing's three dimensional ultrastructures

Cited by 42 publications

References 30 publications

Discovery of the surface polarity gradient on iridescent Morpho butterfly scales reveals a mechanism of their selective vapor response

Discovery of the surface polarity gradient on iridescent Morpho butterfly scales reveals a mechanism of their selective vapor response

Theoretical and experimental analysis of the structural pattern responsible for the iridescence of Morpho butterflies

Nanothermoforming of hierarchical optical components utilizing shape memory polymers as active molds

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