Microscale electrostatic fractional capacitors using reduced graphene oxide percolated polymer composites

Amro M. Elshurafa, Mahmoud Nassar Mahmoud Almadhoun, Husam N. Alshareef, Khaled N. Salama

Research output: Contribution to journalArticlepeer-review

122 Scopus citations

Abstract

We show that graphene-percolated polymer composites exhibit fractional capacitance response in the frequency range of 50 kHz–2 MHz. In addition, it is shown that by varying the loading of graphene within the matrix from 2.5% to 12%, the phase can be controllably tuned from −67° to −31°, respectively. The electrostatic fractional capacitors proposed herein are easy to fabricate and offer integration capability on electronic printed circuit boards.
Original languageEnglish (US)
Pages (from-to)232901
JournalApplied Physics Letters
Volume102
Issue number23
DOIs
StatePublished - Jun 10 2013

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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