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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202004270
|2 doi
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|a pubmed24n1053.xml
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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 Wang, Yuchen
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Repeatable and Reprogrammable Shape Morphing from Photoresponsive Gold Nanorod/Liquid Crystal Elastomers
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 07.12.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Liquid crystal elastomers (LCEs) are of interest for applications such as soft robotics and shape-morphing devices. Among the different actuation mechanisms, light offers advantages such as spatial and local control of actuation via the photothermal effect. However, the unwanted aggregation of the light-absorbing nanoparticles in the LCE matrix will limit the photothermal response speed, actuation performance, and repeatability. Herein, a near-infrared-responsive LCE composite consisting of up to 0.20 wt% poly(ethylene glycol)-modified gold nanorods (AuNRs) without apparent aggregation is demonstrated. The high Young's modulus, 20.3 MPa, and excellent photothermal performance render repeated and fast actuation of the films (actuation within 5 s and recovery in 2 s) when exposed to 800 nm light at an average output power of ≈1.0 W cm-2 , while maintaining a large actuation strain (56%). Further, it is shown that the same sheet of AuNR/LCE film (100 µm thick) can be morphed into different shapes simply by varying the motifs of the photomasks
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|a Journal Article
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|a actuation
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4 |
|a gold nanorods
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| 650 |
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|a liquid crystal elastomers
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| 650 |
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4 |
|a photothermal effect
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| 650 |
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4 |
|a shape morphing
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1 |
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|a Dang, Alei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zhifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Rui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Yuchong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Liang
|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 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 46 vom: 15. Nov., Seite e2004270
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:46
|g day:15
|g month:11
|g pages:e2004270
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202004270
|3 Volltext
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