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Expanded graphite monopole antenna printed on flexible paper substrate for 2.4 GHz wireless systems

Published online by Cambridge University Press:  21 July 2021

Ahmed A. Abdel Aziz Open the ORCID record for Ahmed A. Abdel Aziz [Opens in a new window] ,
Ali T. Abdel-Motagaly ,
Ahmed A. Ibrahim Open the ORCID record for Ahmed A. Ibrahim [Opens in a new window] ,
Waleed M. A. El Rouby  and
Mahmoud A. Abdalla Open the ORCID record for Mahmoud A. Abdalla [Opens in a new window]
Ahmed A. Abdel Aziz
Affiliation:
Electronic Engineering Department, MTC College Cairo, Cairo, Egypt
Ali T. Abdel-Motagaly
Affiliation:
Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Science, Beni-Suef University, Beni-Suef, Egypt
Ahmed A. Ibrahim
Affiliation:
Electrical Engineering Department, Minia University, Minia, Egypt
Waleed M. A. El Rouby
Affiliation:
Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Science, Beni-Suef University, Beni-Suef, Egypt
Mahmoud A. Abdalla*
Affiliation:
Electronic Engineering Department, MTC College Cairo, Cairo, Egypt
*
Author for correspondence: Mahmoud A. Abdalla, E-mail: [email protected]
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Abstract

In this work, a printed coplanar waveguide (CPW) fed single band antenna based on expanded graphite material is introduced. The proposed antenna is based on a CPW-monopole antenna with a U-shape conductor strip connected with the ground. Expanded graphite, a grade of graphene, is used as a conductor to design the uniplanar antenna over a flexible paper substrate. The antenna is designed for 2.4 GHz applications. The antenna design procedures are discussed. The material preparation and analysis are illustrated. Finally, the antenna fabrication and measurements of the reflection coefficient are discussed. The measured antenna reflection coefficient agrees with the simulated one, ensuring the antenna validity for serving the required applications. The radiation antenna parameters are discussed and simulated results from two-simulation software are included for comparison. The antenna has a simulated gain of 4 dBi and simulated efficiency of around 90% at 2.4 GHz.

Keywords

Graphene antennaspaper based antennasmonopole antennawireless applications
Type
Antenna Design, Modelling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 14 , Issue 7 , September 2022 , pp. 906 - 913
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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