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Polymers 2018, 10(11), 1243; https://doi.org/10.3390/polym10111243

Actuation Behavior of Multilayer Graphene Nanosheets/Polydimethylsiloxane Composite Films

1
College of Chemistry and Materials Engineering, Guiyang University, Guiyang 550005, China
2
Guizhou Building Material Quality Supervision Testing Center, Guiyang 550000, China
*
Author to whom correspondence should be addressed.
Received: 28 October 2018 / Revised: 6 November 2018 / Accepted: 7 November 2018 / Published: 9 November 2018
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Abstract

The graphene nanosheets (GNS)/polydimethylsiloxane (PDMS) composite films with out-of-plane dielectric actuation behavior were prepared through a layer-by-layer spin coating process. The GNS-PDMS/PDMS composite films with 1~3 layers of GNS-PDMS films were spin coated on top of the PDMS film. The dielectric, mechanical, and electromechanical actuation properties of the composite films were investigated. The dielectric constant of the GNS-PDMS3/PDMS composite film at 1 kHz is 5.52, which is 1.7 times that of the GNS-PDMS1/PDMS composite film. The actuated displacement of the GNS-PDMS/PDMS composite films is greatly enhanced by increasing the number of GNS-PDMS layers. This study provides a novel alternative approach for fabricating high-performance actuators with out-of-plane actuation behavior. View Full-Text
Keywords: graphene nanosheets; polydimethylsiloxane; dielectric constant; electromechanical actuation graphene nanosheets; polydimethylsiloxane; dielectric constant; electromechanical actuation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhang, C.; Zhai, T.; Zhan, C.; Fu, Q.; Ma, C. Actuation Behavior of Multilayer Graphene Nanosheets/Polydimethylsiloxane Composite Films. Polymers 2018, 10, 1243.

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