Electrical Properties of Thiol-ene-Based Shape Memory Polymers Intended For Flexible Electronics

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dc.contributor.ORCID0000-0002-0603-6683 (Ecker, M)
dc.contributor.ORCID0000-0002-4271-1623 (Joshi-Imre, A)
dc.contributor.ORCID0000-0003-0135-0531 (Voit, WE)
dc.contributor.ORCID0000-0001-8276-3690 (Pancrazio, JJ)
dc.contributor.authorFrewin, Christopher L.
dc.contributor.authorEcker, Melanie
dc.contributor.authorJoshi-Imre, Alexandra
dc.contributor.authorKamgue, Jonathan
dc.contributor.authorWaddell, Jeanneane
dc.contributor.authorDanda, Vindhya Reddy
dc.contributor.authorStiller, Alison M.
dc.contributor.authorVoit, Walter E.
dc.contributor.authorPancrazio, Joseph J.
dc.contributor.utdAuthorFrewin, Christopher L.
dc.contributor.utdAuthorEcker, Melanie
dc.contributor.utdAuthorJoshi-Imre, Alexandra
dc.contributor.utdAuthorKamgue, Jonathan
dc.contributor.utdAuthorWaddell, Jeanneane
dc.contributor.utdAuthorDanda, Vindhya Reddy
dc.contributor.utdAuthorStiller, Alison M.
dc.contributor.utdAuthorVoit, Walter E.
dc.contributor.utdAuthorPancrazio, Joseph J.
dc.date.accessioned2020-03-11T21:43:03Z
dc.date.available2020-03-11T21:43:03Z
dc.date.issued2019-05-17
dc.description.abstractThiol-ene/acrylate-based shape memory polymers (SMPs) with tunable mechanical and thermomechanical properties are promising substrate materials for flexible electronics applications. These UV-curable polymer compositions can easily be polymerized onto pre-fabricated electronic components and can be molded into desired geometries to provide a shape-changing behavior or a tunable softness. Alternatively, SMPs may be prepared as a flat substrate, and electronic circuitry may be built directly on top by thin film processing technologies. Whichever way the final structure is produced, the operation of electronic circuits will be influenced by the electrical and mechanical properties of the underlying (and sometimes also encapsulating) SMP substrate. Here, we present electronic properties, such as permittivity and resistivity of a typical SMP composition that has a low glass transition temperature (between 40 and 60 °C dependent on the curing process) in different thermomechanical states of polymer. We fabricated parallel plate capacitors from a previously reported SMP composition (fully softening (FS)-SMP) using two different curing processes, and then we determined the electrical properties of relative permittivity and resistivity below and above the glass transition temperature. Our data shows that the curing process influenced the electrical permittivity, but not the electrical resistivity. Corona-Kelvin metrology evaluated the quality of the surface of FS-SMP spun on the wafer. Overall, FS-SMP demonstrates resistivity appropriate for use as an insulating material. © 2019 by the authors.
dc.description.departmentErik Jonsson School of Engineering and Computer Science
dc.description.sponsorshipOffice of the Assistant Secretary of Defense for Health Affairs through the Peer Reviewed Medical Research Program under Award Nos. W81XWH-15-1-0607 and W81XWH-15-1-0608.
dc.identifier.bibliographicCitationFrewin, C. L., M. Ecker, A. Joshi-Imre, J. Kamgue, et al. 2019. "Electrical properties of thiol-ene-based shape memory polymers intended for flexible electronics." Polymers 11(5): art. 902, doi: 10.3390/polym11050902
dc.identifier.issn2073-4360
dc.identifier.issue5
dc.identifier.urihttp://dx.doi.org/10.3390/polym11050902
dc.identifier.urihttps://hdl.handle.net/10735.1/7391
dc.identifier.volume11
dc.language.isoen
dc.publisherMDPI AG
dc.rightsCC BY 4.0 (Attribution)
dc.rights©2019 The Authors
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.source.journalPolymers
dc.subjectCuring
dc.subjectDielectric devices
dc.subjectPolymers
dc.subjectDielectric materials
dc.subjectElectric conductivity
dc.subjectFlexible electronics
dc.subjectGlass
dc.subjectPolymers
dc.subjectThin-film circuits
dc.titleElectrical Properties of Thiol-ene-Based Shape Memory Polymers Intended For Flexible Electronics
dc.type.genrearticle

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Pancrazio, Joseph J.
Voit, Walter E.