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Wearable Sunlight-Triggered Bimorph Textile Actuators.

Hongtao Zhao1, Xiangjun Qi1, Yulong Ma1

  • 1Research Center for Intelligent and Wearable Technology, College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Eco-textiles of Shandong Province and the Ministry of Education, Intelligent Wearable Engineering Research Center of Qingdao, Qingdao University, Qingdao, Shandong 266071, P.R. China.

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|September 27, 2021
PubMed
Summary

This study introduces a novel bimorph textile actuator for smart textiles, triggered by sunlight. This flexible and scalable actuator offers new possibilities for wearable devices.

Keywords:
MXenephotothermalsmart textilessunlight-triggeredtextile actuators

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Area of Science:

  • Materials Science
  • Smart Textiles
  • Actuator Technology

Background:

  • Photothermal bimorph actuators are key for intelligent devices due to cordless control.
  • Existing actuators (films/papers) lack flexibility for wearable applications, often requiring near-infrared sources.

Purpose of the Study:

  • To develop a scalable, sunlight-triggered bimorph textile actuator for wearable applications.
  • To enhance flexibility and adaptability in photothermal actuators.

Main Methods:

  • Fabrication of a bimorph textile actuator using a traditional textile route.
  • Construction of active (polypropylene tape) and passive (MXene-modified polyamide filament) layers.
  • Utilizing MXene for enhanced photothermal efficiency (>260%).

Main Results:

  • The textile actuator exhibits effective deformation (1.38 cm⁻¹) under low sunlight power (100 mW/cm²).
  • Demonstrated scalability through traditional textile fabrication methods.
  • Achieved high photothermal efficiency with MXene modification.

Conclusions:

  • This work presents a new pathway for wearable, sunlight-triggered actuators.
  • The developed actuator has attractive applications in smart textiles.
  • The findings pave the way for more adaptable and flexible intelligent devices.