Vijay, Venugopalan ; Rao, Arun D. ; Narayan, K. S. (2011) In situ studies of strain dependent transport properties of conducting polymers on elastomeric substrates Journal of Applied Physics, 109 (8). 084525_1084525_6. ISSN 1089-7550
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Official URL: http://jap.aip.org/resource/1/japiau/v109/i8/p0845...
Related URL: http://dx.doi.org/10.1063/1.3580514
Abstract
We report the changes in the surface electrical resistance, R, of conducting polymer, Poly(3,4- ethylenedioxythiophene)- poly(styrenesulfonate) (PEDOT:PSS) films coated on appropriate flexible substrates in stretched conditions. These studies are important in the context of flexible organic electronic applications. In situ conductivity measurements on pristine PEDOT:PSS thin films on elastomeric substrates upon stretching reveal a minima in R as a function of strain, x, prior to the expected increase at higher strain levels. The studies emphasize (i) role of substrates, (ii) stress- induced anisotropic features, and temperature dependence of R (iii) in comparison of R(x) in polymer films to that of conventional metal films. The stress induced changes is modeled in terms of effective medium approximation.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Institute of Physics. |
Keywords: | Conducting Polymers; Electrical Resistivity; Polymer Films |
ID Code: | 60069 |
Deposited On: | 08 Sep 2011 10:10 |
Last Modified: | 08 Sep 2011 10:10 |
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