Effects of electrode morphology on the performance of BPSH and PATS ionic polymer transducers

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dc.contributor.author Akle, Barbar J.
dc.contributor.author Wiles, Kenton B.
dc.contributor.author Leo, Donald J.
dc.contributor.author McGrath, James E.
dc.date.accessioned 2017-05-30T11:49:51Z
dc.date.available 2017-05-30T11:49:51Z
dc.identifier.uri http://hdl.handle.net/10725/5683
dc.description.abstract Ionic polymer transducers are soft actuators that produce large bending deflections when a small voltage is applied across their thickness. The electromechanical coupling in ionomeric materials is due to the charge motion in the polymer backbone. Increasing the capacitance of the actuator increases the motion of the charges and the actuation performance of ionic polymer transducers has been shown to be strongly correlated with charge motion. Ionomers exhibit large capacitance due to the electric double layer formed on the polymer-electrode interface. Increasing the effective interfacial area results in the increase in the capacitance, and manipulating the electroding process of the ionic polymers has proved to have major effect on capacitance and therefore transduction. In this paper a novel electroding technique is developed and characterized. The method is composed of mixing an ionic polymer solution with a fine metal powder such as RuO_2, and attaching it to the membrane as an electrode. Scanning Electron Microscopy images are obtained for several plating processes, and relations between plating parameters and electrode morphology are established. The transducers are characterized as actuators by measuring their strain output, force output, and capacitance. Capacitance values of up to 45 mF/cm^2 are obtained using the novel electroding method, which is between five and ten times higher than that obtained with a standard impregnation-reduction process. The performance of the transducers fabricated with the novel electroding technique exceeds the performance of those fabricated with the impregnation-reduction method by a factor of between 2 and 5. Transducers fabricated with the impregnation-reduction method generally produce 200 to 500 microstrain/V while the ones fabricated with the new process exhibited free strain values of greater than 1550 microstrain/V at low frequencies. en_US
dc.language.iso en en_US
dc.publisher SPIE en_US
dc.title Effects of electrode morphology on the performance of BPSH and PATS ionic polymer transducers en_US
dc.type Conference Paper / Proceeding en_US
dc.author.school SOE en_US
dc.author.idnumber 200700940 en_US
dc.author.department Industrial And Mechanical Engineering en_US
dc.description.embargo N/A en_US
dc.keywords Electrodes en_US
dc.keywords Polymers en_US
dc.keywords Transducers en_US
dc.keywords Capacitance en_US
dc.keywords Actuators en_US
dc.keywords Plating en_US
dc.keywords Scanning electron microscopy en_US
dc.keywords Spine en_US
dc.keywords Interfaces en_US
dc.keywords Metals en_US
dc.identifier.doi https://doi.org/10.1117/12.539528 en_US
dc.identifier.ctation Akle, B. J., Wiles, K. B., Leo, D. J., & McGrath, J. E. (2004, July). Effects of electrode morphology on the performance of BPSH and PATS ionic polymer transducers. In Smart Structures and Materials (pp. 413-424). International Society for Optics and Photonics. en_US
dc.author.email barbar.akle@lau.edu.lb en_US
dc.conference.date March 14, 2004
dc.conference.place San Diego, CA
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=842526 en_US
dc.author.affiliation Lebanese American University en_US
dc.relation.numberofseries 5385 en_US
dc.title.volume Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD) en_US

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