2013
DOI: 10.1063/1.4809750
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Preparation of bionic nanostructures from butterfly wings and their low reflectivity of ultraviolet

Abstract: This letter presents a bionic study on Parnassius butterfly wings with a prominent ultraviolet (UV)-selective antireflection effect. An accurate SiO2 inverse replica of the nanostructure with a unique optical function from butterfly wings is prepared in multiscale by combining a sol-gel process and subsequent selective etching. It is found that the original nanostructures of biotemplate are well inherited and the excellent UV-antireflection function could be modulated by tunable parameters such as the replica … Show more

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Cited by 24 publications
(10 citation statements)
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“…This indicates some ecological advantages for self‐protection. Parnassius butterfly wings, living in a mountain area of high altitudes and high‐intensity UV radiation, have been discovered to have remarkable antireflectivity of UV light (reflectance < 10% in 200–340 nm) due to the combination structures of ridges and grooves with comb tooth nanostructures on the ridges walls . The study suggests a possibility for the particular optical applications such as space exploration and UV protection devices.…”
Section: Typical Optical Processesmentioning
confidence: 93%
“…This indicates some ecological advantages for self‐protection. Parnassius butterfly wings, living in a mountain area of high altitudes and high‐intensity UV radiation, have been discovered to have remarkable antireflectivity of UV light (reflectance < 10% in 200–340 nm) due to the combination structures of ridges and grooves with comb tooth nanostructures on the ridges walls . The study suggests a possibility for the particular optical applications such as space exploration and UV protection devices.…”
Section: Typical Optical Processesmentioning
confidence: 93%
“…Animal structures, such as butterfly wings, sea‐urchin skeletons, cuttlebone, beetles, silk‐fibroin filaments, spider silk, and eggshell membranes, are more uniform and periodic compared with plant structures. For this reason, unique properties can be obtained utilizing animal structures for biomimetic synthesis ( Figure ).…”
Section: Elementary Biomimetic Synthesis Via Biomass Templatesmentioning
confidence: 99%
“…Bio-template method, as a new method of fabricating multifunctional materials with bionic morphologies and structures, has attracted more and more attention of many scholars. In previous work, we had achieved an ingenious "negative" replica of the functional surface of butterfly wing scales using bio-template method [38,46]. However, it remains a challenge to fabricate the positive replica of the light trapping surface of butterfly wing scales.…”
Section: Introductionmentioning
confidence: 97%