3D anisotropic polyethylene as light-responsive grippers and surfing divers

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Samenvatting

Untethered soft actuators are usually based on 3D engineered special polymers such as liquid crystal networks or hydrogels that require complex fabrication methods. Here, an easy‐to‐process, anisotropic composite soft actuator based on a simple photothermal dye‐doped polyethylene film is presented. The 3D anisotropic polymer films are prepared by solution‐casting and subsequent thermal solid‐stretching. The resulting soft actuators exhibit large and controllable bending in response to light (UV and/or near‐infrared (NIR)) and are able to act as grippers picking up cargo. Additionally, the films are capable of realizing “diving” and “surfing” locomotion in and over a liquid via the photothermal induced Marangoni effect, yielding a NIR light‐fueled transporter able to pick up cargo. The results open up new possibilities of using commodity polymers in a broad range of applications including untethered soft actuators and robotic devices.
Originele taal-2Engels
Artikelnummer2100465
Aantal pagina's7
TijdschriftAdvanced Functional Materials
VolumeXX
Nummer van het tijdschriftXX
DOI's
StatusE-publicatie vóór gedrukte publicatie - 2021

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