A self-sustained soft actuator able to rock and roll

A self-sustained soft actuator able to rock and roll

A triangular shaped liquid crystal network is shown to undergo a continual, rocking chair-like oscillatory chaotic motion upon exposure to a surface of constant temperature. With the addition of an azobenzene chromophore, dual response is achieved, extending the actuation freedom towards a film that...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (74), p.1129-1132
Main Authors: Pilz da Cunha, Marina, Peeketi, Akhil R, Mehta, Kanishk, Broer, Dirk J, Annabattula, Ratna K, Schenning, Albert P. H. J, Debije, Michael G
Format: Article
Language:eng
Subjects:
Actuation
Actuators
Chromophores
Liquid crystals
Rolling motion
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Summary:A triangular shaped liquid crystal network is shown to undergo a continual, rocking chair-like oscillatory chaotic motion upon exposure to a surface of constant temperature. With the addition of an azobenzene chromophore, dual response is achieved, extending the actuation freedom towards a film that shows rocking and rolling motion. Liquid crystalline networks of specific geometry are observed to undergo thermally triggered chaotic continual rocking motion and light triggered rolling.
ISSN:1359-7345
1364-548X