4D Printed Light‐Responsive Patterned Liquid Crystal Elastomer Actuators Using a Single Structural Color Ink
Abstract: Envisioning robotic devices with functionality resulting from processing rather than exclusively material composition, multimodal responsive devices produced from a single azobenzene‐functionalized cholesteric liquid crystal elastomer ink are demonstrated. The resulting device displays simultaneous structural color and actuation in response to both ultraviolet and blue light exposures. Through direct ink writing, a microextrusion‐based additive manufacturing technique, the liquid crystalline ink is deposited into different effective mesophases—planar and slanted cholesteric, and a uniaxial pseudo‐nematic state—by altering only two printing conditions: deposition speed and time before photopolymerization. Comparing the three different printed mesophases, marked differences in optical properties and actuation behaviors are found. Demonstrators based on bilayer architectures present concepts for interactive soft multiactuators deposited in a single printing step from a single ink.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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4D Printed Light‐Responsive Patterned Liquid Crystal Elastomer Actuators Using a Single Structural Color Ink ; day:17 ; month:10 ; year:2022 ; extent:8
Advanced Materials Technologies ; (17.10.2022) (gesamt 8)
- Creator
- DOI
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10.1002/admt.202200970
- URN
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urn:nbn:de:101:1-2022101815221455986286
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:31 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Sol, Jeroen A. H. P.
- Douma, Robin F.
- Schenning, Albert
- Debije, Michael G.
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