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Laser-Printed All-Carbon Responsive Material and Soft Robot
Wenjie Yu1,2, Weiwei Zhao1, Xinbei Zhu1,2
1Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.
Advanced Materials (Deerfield Beach, Fla.)
|July 16, 2024
Summary
A new laser-printed carbon film (LPCF) offers superior responsiveness and environmental tolerance compared to polymers. This advanced material enables faster, life-like biomimetic robots with unprecedented performance.
Area of Science:
- Materials Science
- Robotics
- Nanotechnology
Background:
- Responsive materials are crucial for advanced technologies but polymer-based options face sensitivity and environmental limitations.
- Existing actuators struggle with performance in extreme conditions, hindering broader applications.
Purpose of the Study:
- To develop a novel responsive material with enhanced sensitivity and environmental tolerance.
- To engineer a high-performance soft robot utilizing the new material for biomimetic locomotion.
Main Methods:
- Direct laser transformation of a liquid organic precursor to create laser-printed carbon film (LPCF).
- Characterization of LPCF's structure, conductivity, and actuation response to organic vapor.
- Construction and testing of an LPCF-based all-carbon soft robot for complex motion mimicry.
Main Results:
- LPCF demonstrated an actuation speed of 9400° s⁻¹ in response to organic vapor.
- The material exhibits high conductivity (950 S m⁻¹) and excellent environmental resistance.
- The LPCF-based soft robot achieved locomotion velocities 1-2 orders of magnitude faster than existing soft robots.
Conclusions:
- LPCF presents a new class of highly responsive materials overcoming polymer limitations.
- The developed all-carbon soft robot showcases life-like performance and biomimetic capabilities.
- This work provides a new design paradigm for next-generation responsive materials and robots.

