2016
DOI: 10.1088/1748-3190/11/3/036011
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Vapour sensitivity of an ALD hierarchical photonic structure inspired by Morpho

Abstract: The unique architecture of iridescent Morpho butterfly scales is known to exhibit different optical responses to various vapours. However, the mechanism behind this phenomenon is not fully quantitatively understood. This work reports on process developments in the micro-fabrication of a Morpho-inspired photonic structure in atomic layer deposited (ALD) materials in order to investigate the vapour optical sensitivity of such artificial nanostructures. By developing recipes for dry and wet etching of ALD oxides,… Show more

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Cited by 27 publications
(14 citation statements)
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“…Porous photonic structures that can change colours, combining pigmentary coloration beneath a structural coloured layer, have been previously observed in beetles [32,33], butterflies [34][35][36] and algae [37]. Bioinspired vapour sensors, based on natural structures from butterfly wing scales, have even surpassed the performance of conventional sensors [34].…”
Section: Discussionmentioning
confidence: 97%
“…Porous photonic structures that can change colours, combining pigmentary coloration beneath a structural coloured layer, have been previously observed in beetles [32,33], butterflies [34][35][36] and algae [37]. Bioinspired vapour sensors, based on natural structures from butterfly wing scales, have even surpassed the performance of conventional sensors [34].…”
Section: Discussionmentioning
confidence: 97%
“…Another disadvantage with Bragg mirror is the precise thickness it requires to be fully useful. Even if Bragg mirror could be deposited by atomic layer deposition (ALD) (Poncelet et al, 2015(Poncelet et al, , 2016, it is time consuming and expensive. Fortunately, is in this work optimised on a wavelength range rather than on a unique value.…”
Section: Discussionmentioning
confidence: 99%
“…Scientists' attention is focused on the beautiful and colorful butterfly wings. Research into butterfly wings has inspired different fields such as the research into antireflective surfaces ( Han et al., 2016 ), photonic crystals ( Lu et al., 2016 ; Poncelet et al., 2016 ; Pouya et al., 2016 ) etc.. The microstructure and formation of butterfly wings are also being researched.…”
Section: Dry Gradient and Wet Gradientmentioning
confidence: 99%