Microscale electrostatic fractional capacitors using reduced graphene oxide percolated polymer composites | Zendy

Amro M. Elshurafa | Zendy; Mahmoud N. Almadhoun | Zendy; K. Saláma | Zendy; Husam N. Alshareef | Zendy

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Microscale electrostatic fractional capacitors using reduced graphene oxide percolated polymer composites

Author(s) -

Amro M. Elshurafa,

Mahmoud N. Almadhoun,

K. Saláma,

Husam N. Alshareef

Publication year - 2013

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4809817

Subject(s) - graphene , capacitor , materials science , microscale chemistry , capacitance , composite material , oxide , polymer , nanotechnology , electrode , voltage , electrical engineering , chemistry , mathematics education , mathematics , metallurgy , engineering

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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