The Effect of Viscosity and Ion Size on the Transduction of Ionic Polymer Metal Composite Actuators

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dc.contributor.authorCopley, Lisaen
dc.contributor.authorHubbard, Elizabethen
dc.contributor.authorMaisano, Adamen
dc.contributor.editorPoquette, Benen
dc.date.accessioned2019-06-19T21:11:57Zen
dc.date.available2019-06-19T21:11:57Zen
dc.date.issued2005-09-22en
dc.description.abstractIonic polymer membranes plated with platinum and gold serve as actuators when a small potential is applied. However, the water used to hydrate the membrane evaporates during use, decreasing actuator performance. Ionic liquids are being considered as a replacement for water because of their low vapor pressure. Prior studies show that the large ion size and high viscosity of ionic liquids slow the response time of the polymer membrane when a voltage is applied. This study examines the relationships of ion size and viscosity to transduction by modeling ionic liquids with inexpensive salts of varying ion size and glycerol/water solutions. Based on these results several ionic liquids were selected and tested for use as membrane sol­ vents. This study includes frequency response, step response, and impedance tests of samples impregnated with Li+, K+, Cs+, TMA+, TEA+, and TBA+. Actuators solvated in solutions with a viscosity similar to 70–80 wt. % glycerol solutions (18–46 cP) and cation size similar to that of TMA+ (0.347 nm) appear to yield the best results. When used as the membrane solvent, the ionic liquid 1-ethyl-3-methyl imidazolium trifluoromethanesulfonate (IL #3) resulted in the greatest strain per charge per area of the three ionic liquids tested in this study.en
dc.format.extent6 pagesen
dc.format.extent307.33 KBen
dc.format.mimetypeapplication/pdfen
dc.format.mimetypeapplication/zipen
dc.identifier.citationCopley, L.A., Hubbard, E.D. and Maisano, A.J., 2005. The Effect of Viscosity and Ion Size on the Transduction of Ionic Polymer Metal Composite Actuators. Journal of Undergraduate Materials Research, 1. DOI: http://doi.org/10.21061/jumr.v1i0.1546en
dc.identifier.doihttps://doi.org/10.21061/jumr.v1i0.1546en
dc.identifier.eissn2578-9570en
dc.identifier.issn1934-7677en
dc.identifier.issue1en
dc.identifier.urihttp://hdl.handle.net/10919/90368en
dc.identifier.volume1en
dc.language.isoenen
dc.publisherVirginia Tech Department of Materials Science and Engineeringen
dc.rightsIn Copyrighten
dc.rights.holderVirginia Tech Department of Materials Science and Engineeringen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectMaterials Scienceen
dc.subjectIonic Polymer Metal Composite Actuatorsen
dc.titleThe Effect of Viscosity and Ion Size on the Transduction of Ionic Polymer Metal Composite Actuatorsen
dc.title.serialJournal of Undergraduate Materials Researchen
dc.typeArticleen
dc.type.dcmitypeTexten

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