期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 9, 页码 7688-7692出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b17907
关键词
graphene oxide; photothermal conversion; gradient hydrogel; near-infrared trigger; actuator
资金
- NSFC-Xinjiang joint fund for local outstanding youth [U1403392]
Recent research of hydrogel actuators is still not sophisticated enough to meet the requirement of fast, reversible, complex, and robust reconfiguration. Here, we present a new kind of poly(N-isopropylacrylamide)/graphene oxide gradient hydrogel by utilizing direct current electric field to induce gradient and oriented distribution of graphene oxide into poly(N-isopropylacrylamide) hydrogel. Upon near infrared light irradiation, the hydrogel exhibited excellent comprehensive actuation performance as a result of directional bending deformation, promising great potential in the application of soft actuators and optomechanical system.
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