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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201808186
|2 doi
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|a eng
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| 100 |
1 |
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|a Cao, Yuanyuan
|e verfasserin
|4 aut
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|a Pressure-Responsive Hierarchical Chiral Photonic Aerogels
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|c 2019
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Pressure-responsive chiral photonic aerogels are fabricated by combining liquid crystal self-assembly and ice-templating processes. The aerogels have a hierarchical structure in which the primary 2D chiral nematic structured walls of cellulose nanocrystals form ribbons that support a secondary 3D cellular network. Owing to the flexibility of the aerogels in solvent, the 3D structure of the aerogel can easily be transformed to a 2D structure by pressure-induced rearrangement. The aerogels vary from white in color, which arises from light scattering, to a reflective photonic crystal displaying bright iridescent colors that depend on the immersed solvent. A solvent-sensitive ink that shows quick color response to different solvents is designed using the pressure-responsive photonic aerogel. This material demonstrates a new response mechanism for the design of smart and mechanoresponsive photonic materials
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|a Journal Article
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|a chiral nematic liquid crystals
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| 650 |
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|a hierarchical chiral cellulose aerogels
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| 650 |
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|a ice templating
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|a mechanoresponsive photonic crystal aerogels
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| 650 |
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|a solvent-sensitive inks
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1 |
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|a Lewis, Lev
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hamad, Wadood Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a MacLachlan, Mark J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 21 vom: 16. Mai, Seite e1808186
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|g volume:31
|g year:2019
|g number:21
|g day:16
|g month:05
|g pages:e1808186
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|u http://dx.doi.org/10.1002/adma.201808186
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