Journal
POLYMERS
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/polym10111243
Keywords
graphene nanosheets; polydimethylsiloxane; dielectric constant; electromechanical actuation
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Funding
- Special Funding of Guiyang Science and Technology Bureau
- Guiyang University [GYU-KYZ[2018]03-3]
- Major Construction Project of First-rate University in Guizhou Province [2017158134]
- Natural Science Research Project of Guizhou Provincial Department of Education [[2016]089]
- Science and Technology Planning Project of General Administration of Quality Supervision, Inspection and Quarantine of China [2016QK041]
- National Natural Science Foundation of China [51703038]
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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 similar to 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.
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