Microscale electrostatic fractional capacitors using reduced graphene oxide percolated polymer composites

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

doi:10.1063/1.4809817

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 journal › Article › peer-review

164 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 language	English (US)
Pages (from-to)	232901
Journal	Applied Physics Letters
Volume	102
Issue number	23
DOIs	https://doi.org/10.1063/1.4809817
State	Published - Jun 10 2013

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KAUST Repository Item: Exported on 2020-10-01

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4809817

https://repository.kaust.edu.sa/bitstream/10754/294046/1/APL_preprint.pdf

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AU - Alshareef, Husam N.

AU - Salama, Khaled N.

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AB - 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.

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Microscale electrostatic fractional capacitors using reduced graphene oxide percolated polymer composites

Abstract

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