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

Xinglong Pan, Nadia Grossiord, Jeroen A.H.P. Sol, Michael G. Debije, Albert P.H.J. Schenning (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)


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.
Original languageEnglish
Article number2100465
Number of pages7
JournalAdvanced Functional Materials
Issue number18
Publication statusPublished - 3 May 2021


  • Marangoni effect
  • anisotropic polymers
  • commodity polymers
  • polyethylene
  • soft actuators


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