Fig. 4: NIR light actuating and self-healing performances. | Nature Communications

Fig. 4: NIR light actuating and self-healing performances.

From: Ultrarobust, tough and highly stretchable self-healing materials based on cartilage-inspired noncovalent assembly nanostructure

Fig. 4

a, c Time dependence of the bending angle of a the original sample and c SH sample exposed to NIR light, when the light is switched on and off. b, d Actuation stress as a function of time as NIR light is periodically turned on (time, 15 s) and off (time, 15 s) on b the original and d SH sample. e Photographs of a “flower” blooming and closing stimulated by NIR light. f A crawling robot is able to continually crawl forward under periodic NIR light on and off.

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