Photothermal Nanocomposite Hydrogel Actuator with Electric-Field-Induced Gradient and Oriented Structure

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...

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Published inACS applied materials & interfaces Vol. 10; no. 9; pp. 7688 - 7692
Main Authors Yang, Yang, Tan, Yun, Wang, Xionglei, An, Wenli, Xu, Shimei, Liao, Wang, Wang, Yuzhong
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 07.03.2018
Subjects
graphene oxide
photothermal conversion
gradient hydrogel
near-infrared trigger
actuator
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Summary: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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ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.7b17907