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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201803847
|2 doi
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|a pubmed24n0960.xml
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|a (NLM)30175418
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Kim, Hye-Na
|e verfasserin
|4 aut
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| 245 |
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|a Multistate and On-Demand Smart Windows
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.10.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Composite films consisting of wrinkles on top of the elastomeric poly(dimethylsiloxane) film and a thin layer of silica particles embedded at the bottom is prepared as on-demand mechanoresponsive smart windows. By carefully varying the wrinkle geometry, silica particle size, and stretching strain, different initial optical states and a large degree of optical transmittance change in the visible to near infrared range with a relatively small strain (as small as 10%) is achieved. The 10% pre-strain sample has shallow wrinkles with a low amplitude and shows moderate transmittance (60.5%) initially and the highest transmittance of 86.4% at 550 nm when stretched at the pre-strain level. Stretching beyond the pre-strain level leads to a drastic decrease of the transmittance at 550 nm, 39.7% and 70.8% with an additional 10% and 30% strain, respectively. The large drop of optical transmittance is the result of combined effects from the formation of secondary wrinkles and nanovoids generated around the particles. The 20% pre-strain sample has wrinkles with a moderate amplitude, showing 36.9% transmittance in the initial state, and the highest transmittance of 71.5% at 550 nm when stretched to the pre-strain level. Further stretching leads to increased opacity similar to that seen from the 10% pre-strain sample
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|a Journal Article
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|a composite films
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|a on-demand
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|a silica particles
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4 |
|a smart windows
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| 650 |
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|a wrinkles
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| 700 |
1 |
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|a Ge, Dengteng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Elaine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Shu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 43 vom: 03. Okt., Seite e1803847
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:43
|g day:03
|g month:10
|g pages:e1803847
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201803847
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