Programmable and Self‐Healable Liquid Crystal Elastomer Actuators Based on Halogen Bonding
Abstract: Shape‐changing polymeric materials have gained significant attention in the field of bioinspired soft robotics. However, challenges remain in versatilizing the shape‐morphing process to suit different tasks and environments, and in designing systems that combine reversible actuation and self‐healing ability. Here, we report halogen‐bonded liquid crystal elastomers (LCEs) that can be arbitrarily shape‐programmed and that self‐heal under mild thermal or photothermal stimulation. We incorporate halogen‐bond‐donating diiodotetrafluorobenzene molecules as dynamic supramolecular crosslinks into the LCEs and show that these relatively weak crosslinks are pertinent for their mechanical programming and self‐healing. Utilizing the halogen‐bonded LCEs, we demonstrate proof‐of‐concept soft robotic motions such as crawling and rolling with programmed velocities. Our results showcase halogen bonding as a promising, yet unexplored tool for the preparation of smart supramolecular constructs for the development of advanced soft actuators.
- 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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Programmable and Self‐Healable Liquid Crystal Elastomer Actuators Based on Halogen Bonding ; day:19 ; month:09 ; year:2023 ; extent:11
Angewandte Chemie / International edition. International edition ; (19.09.2023) (gesamt 11)
- Creator
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Guo, Hongshuang
Liang, Chen
Ruoko, Tero‐Petri
Meteling, Henning
Peng, Bo
Zeng, Hao
Priimagi, Arri
- DOI
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10.1002/anie.202309402
- URN
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urn:nbn:de:101:1-2023092015153266863876
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:56 AM CEST
Data provider
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Associated
- Guo, Hongshuang
- Liang, Chen
- Ruoko, Tero‐Petri
- Meteling, Henning
- Peng, Bo
- Zeng, Hao
- Priimagi, Arri
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