Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 214, Issue -, Pages 76-81Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2015.02.129
Keywords
Actuator; Nanofiber; Electro-spinning; Alignment; Ionic liquid
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We developed a novel type of actuator using conductive nanofiber mat electrodes, and investigated the relationship between the spinning solution concentration and the displacement of the actuator. The nanofiber mat was prepared using the electro-spinning method, and its conductivity was enhanced through the application of a conductive polymer coating. We used poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF/HFP) and poly(3,4-ethylenedioxythiophene) (PEDOT) for the nanofiber mat and the conductive polymer coating, respectively. It was found that the nanofiber diameter decreased with decreasing spinning solution concentration, resulting in an increase in the specific surface area of the nanofiber mat. The displacement of the actuator increased with the decreasing spinning solution concentration of the nanofiber mat electrode (i.e., as the specific surface area increased). In addition, we developed an actuator containing aligned nanofiber mat electrodes, which could lead to anisotropic deformation. (C) 2015 Elsevier B.V. All rights reserved.
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