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Nafion/polyimide based programmable moisture-driven actuators for functional structures and robots
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DOI：10.1016/j.snb.2023.134152.png)
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摘要
En 中文
Sustainable and environmentally friendly actuators powered by humidity, light and magnetic field are of great significance to facilitate application of microrobots. Among them, moisture-driven actuators have attracted a growing interest as a result of the widespread presence and ease of use of humidity. Nevertheless, the rapid acquisition and large-scale application of the moisture-driven actuators is still difficult since synthesis process of humidity-sensitive materials is time-consuming and complex. In this paper, we proposed a facile and rapid method to prepare double-layer moisture-driven actuators by integrating commercial humidity-sensitive Nafion TM membrane and polyimide (PI) tape with good stability. Compared with other double-layer moisture-driven actuators, the so-obtained actuator has excellent performance in both the bending curvature (from-0.98 cm-1 to 5.34 cm-1) and the response speed (0.29 cm-1/s). Through programmable structure design, a series of functional structures with complex deformation modes, i.e. torsion and bending, were realized. By imitating organisms like birds, vines, inchworms and ants, a series of soft robots have been developed based on the programmable structures to achieve behaviors including grasping, crawling and weight-bearing. The proposed programmable moisture-driven actuators have shed light on the fast development of environmental-friendly functional microrobots making use of ambient humidity.
Keyword:
Moisture-driven actuators
Humidity-sensitive
Nafion
Polyimide
Programmable structure
Functional microrobots
期刊
IF:
7.7
论文数:
3.4W
被引数:
12.6W
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引用论文
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