Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low-Cost Wireless Communications Applications

Antti Lamminen, Kirill Arapov, Gijsbertus de With, Samiul Haque, Henrik Sandberg, Heiner Friedrich, Vladimir Ermolov

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

This letter presents the design, manufacturing, and operational performance of a graphene-flakes-based screen-printed wideband elliptical dipole antenna operating from 2 up to 5 GHz for low-cost wireless communications applications. To investigate radio frequency (RF) conductivity of the printed graphene, a coplanar waveguide (CPW) test structure was designed, fabricated, and tested in the frequency range from 1 to 20 GHz. Antenna and CPW were screen-printed on Kapton substrates using a graphene paste formulated with a graphene-to-binder ratio of 1:2. A combination of thermal treatment and subsequent compression rolling is utilized to further decrease the sheet resistance for printed graphene structures, ultimately reaching 4 ?/? at 10-?m thicknesses. For the graphene-flakes printed antenna, an antenna efficiency of 60% is obtained. The measured maximum antenna gain is 2.3 dBi at 4.8 GHz. Thus, the graphene-flakes printed antenna adds a total loss of only 3.1 dB to an RF link when compared to the same structure screen-printed for reference with a commercial silver ink. This shows that the electrical performance of screen-printed graphene flakes, which also does not degrade after repeated bending, is suitable for realizing low-cost wearable RF wireless communication devices.
Original languageEnglish
Article number7882657
Pages (from-to)1883-1886
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume16
DOIs
Publication statusPublished - 1 Jan 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Dipole antennas
Graphene
Communication
Costs
Coplanar waveguides
Antennas
Microstrip antennas
Adhesive pastes
Sheet resistance
Ink
Telecommunication links
Binders
Silver
Heat treatment
Substrates

Keywords

  • antenna
  • graphene
  • printing
  • radio frequency (RF)
  • transmission line

Cite this

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title = "Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low-Cost Wireless Communications Applications",
abstract = "This letter presents the design, manufacturing, and operational performance of a graphene-flakes-based screen-printed wideband elliptical dipole antenna operating from 2 up to 5 GHz for low-cost wireless communications applications. To investigate radio frequency (RF) conductivity of the printed graphene, a coplanar waveguide (CPW) test structure was designed, fabricated, and tested in the frequency range from 1 to 20 GHz. Antenna and CPW were screen-printed on Kapton substrates using a graphene paste formulated with a graphene-to-binder ratio of 1:2. A combination of thermal treatment and subsequent compression rolling is utilized to further decrease the sheet resistance for printed graphene structures, ultimately reaching 4 ?/? at 10-?m thicknesses. For the graphene-flakes printed antenna, an antenna efficiency of 60{\%} is obtained. The measured maximum antenna gain is 2.3 dBi at 4.8 GHz. Thus, the graphene-flakes printed antenna adds a total loss of only 3.1 dB to an RF link when compared to the same structure screen-printed for reference with a commercial silver ink. This shows that the electrical performance of screen-printed graphene flakes, which also does not degrade after repeated bending, is suitable for realizing low-cost wearable RF wireless communication devices.",
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Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low-Cost Wireless Communications Applications. / Lamminen, Antti; Arapov, Kirill; de With, Gijsbertus; Haque, Samiul; Sandberg, Henrik; Friedrich, Heiner; Ermolov, Vladimir.

In: IEEE Antennas and Wireless Propagation Letters, Vol. 16, 7882657, 01.01.2017, p. 1883-1886.

Research output: Contribution to journalArticleScientificpeer-review

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