期刊
APPLIED PHYSICS LETTERS
卷 103, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4812982
关键词
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资金
- WCU (World Class University) program through the National Research Foundation of Korea [R31-2008-10029]
- National Research Foundation of Korea [2010-0028939, 2012-0006672]
- Ministry of Education, Science and Technology
- Southwest Gas Corporation
A transparent dielectric elastomer actuator driven by few-layer-graphene (FLG) electrode was experimentally investigated. The electrodes were made of graphene, which was dispersed in N-methyl-pyrrolidone. The transparent actuator was fabricated from developed FLG electrodes. The FLG electrode with its sheet resistance of 0.45 k Omega/sq (80 nm thick) was implemented to mask silicone elastomer. The developed FLG-driven actuator exhibited an optical transparency of over 57% at a wavenumber of 600 nm and produced bending displacement performance ranging from 29 to 946 mu m as functions of frequency and voltage. The focus variation was clearly demonstrated under actuation to study its application-feasibility in variable focus lens and various opto-electro-mechanical devices. (C) 2013 AIP Publishing LLC.
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