Journal
ACS NANO
Volume 10, Issue 10, Pages 9529-9535Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.6b04769
Keywords
graphene; actuator; self-sensing; robots
Categories
Funding
- 973 program of China [2011CB013000]
- NSFC [21325415, 51673026]
- Beijing Natural Science Foundation [2164070]
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Graphene, because of its superior electrical/thermal conductivity, high surface area, excellent mechanical flexibility, and stability, is currently receiving significant attention and benefit to fabricate actuator devices. Here, a sole graphene oxide (GO) film responsive actuator with an integrated self-detecting sensor has been developed. The film exhibits an asymmetric surface structure on its two sides, creating a promising actuation ability triggered by multistimuli, such as moisture, thermals, and infrared light. Meanwhile, the built-in laser-writing reduced graphene oxide (rGO) sensor in the film can detect its own deformation in real time. Smart perceptual fingers in addition to rectangular-shaped and even four-legged walking robots have been developed based on the responsive GO film.
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