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Four-Dimensional Printing of Stimuli-Responsive Hydrogel-Based Soft Robots
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Photoresponsive hydrogel-based soft robot: A review
Jingang Jiang1, Shuainan Xu1, Hongyuan Ma1,2
1Key Laboratory of Advanced Manufacturing and Intelligent Technology, Ministry of Education, Harbin University of Science and Technology, Harbin, 150080, Heilongjiang, PR China.
Materials Today. Bio
|May 25, 2023
Summary
Photoresponsive hydrogels enable wireless soft robotics by offering excellent biocompatibility and photoresponse. This research highlights their mechanisms and applications in advanced soft robot structures.
Area of Science:
- Robotics
- Materials Science
- Biomedical Engineering
Background:
- Soft robots offer superior human-robot interaction and environmental adaptability but are often limited by wired drives.
- Photoresponsive soft robotics presents a promising solution for wireless actuation.
- Photoresponsive hydrogels are key materials due to their biocompatibility, ductility, and light-responsive properties.
Purpose of the Study:
- To analyze research hotspots in photoresponsive hydrogels using Citespace.
- To summarize the current state of photoresponsive hydrogel research, focusing on response mechanisms and applications in soft robotics.
- To discuss challenges and future directions for photoresponsive hydrogel technology in soft robotics.
Main Methods:
- Literature analysis using Citespace to identify research trends.
- Review and synthesis of existing research on photoresponsive hydrogels.
- Categorization of applications based on structural designs (bilayer, gradient, patterned).
Main Results:
- Photoresponsive hydrogel technology is identified as a critical research area.
- Key photochemical and photothermal response mechanisms are summarized.
- Applications in soft robotics are highlighted across various structural configurations.
Conclusions:
- Advancements in photoresponsive hydrogel technology are vital for wireless soft robotics.
- Selection of preparation methods and structures should be tailored to specific application requirements.
- Further research is needed to overcome current limitations and optimize performance.
