Doped polymer electrodes for high performance ferroelectric capacitors on plastic substrates

Yasser Khan, Unnat Sampatraj Bhansali, Xixiang Zhang, Moussa M. Saleh, Ihab Odeh, Husam N. Alshareef

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Flexible ferroelectric capacitors with doped polymer electrodes have been fabricated on plastic substrates with performance as good as metal electrodes. The effect of doping on the morphology of polymer electrodes and its impact on device performance have been studied. Improved fatigue characteristics using doped and undoped poly (3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) electrodes versus metal electrodes are observed. It is shown that the polymer electrodes follow classical ferroelectric and dielectric responses, including series resistance effects. The improved device characteristics obtained using highly conducting doped PEDOT:PSS suggest that it may be used both as an electrode and as global interconnect for all-polymer transparent circuits on flexible substrates.
Original languageEnglish (US)
Pages (from-to)143303
JournalApplied Physics Letters
Volume101
Issue number14
DOIs
StatePublished - Oct 3 2012

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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