Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low Cost Wireless Communications Applications
This letter presents the design, manufacturing and operational performance of a graphene-flakes based screenprinted wideband elliptical dipole antenna operating from 2 GHz up to 5 GHz for low cost wireless communications applications. To investigate radio frequency (RF) conductivity of the printed g...
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| creator | Lamminen, Antti Arapov, Kirill de With, Gijsbertus Haque, Samiul Sandberg, Henrik G O Friedrich, Heiner Ermolov, Vladimir |
| description | This letter presents the design, manufacturing and operational performance of a graphene-flakes based screenprinted wideband elliptical dipole antenna operating from 2 GHz 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 GHz 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 Ohm/sq. at 10 {\mu}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. |
| doi_str_mv | 10.48550/arxiv.1705.01097 |
| format | Article |
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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 GHz 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 Ohm/sq. at 10 {\mu}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.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1705.01097</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Antenna gain ; Antennas ; Bending machines ; Broadband ; Coplanar waveguides ; Dipole antennas ; Electrical resistivity ; Electronic devices ; Flakes ; Frequency ranges ; Graphene ; Heat treatment ; Kapton (trademark) ; Low cost ; Microstrip antennas ; Physics - Applied Physics ; Physics - Materials Science ; Polyimide resins ; Radio frequency ; Substrates ; Wireless communications</subject><ispartof>arXiv.org, 2017-05</ispartof><rights>2017. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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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 GHz 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 Ohm/sq. at 10 {\mu}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.</description><subject>Antenna gain</subject><subject>Antennas</subject><subject>Bending machines</subject><subject>Broadband</subject><subject>Coplanar waveguides</subject><subject>Dipole antennas</subject><subject>Electrical resistivity</subject><subject>Electronic devices</subject><subject>Flakes</subject><subject>Frequency ranges</subject><subject>Graphene</subject><subject>Heat treatment</subject><subject>Kapton (trademark)</subject><subject>Low cost</subject><subject>Microstrip antennas</subject><subject>Physics - Applied Physics</subject><subject>Physics - Materials Science</subject><subject>Polyimide resins</subject><subject>Radio frequency</subject><subject>Substrates</subject><subject>Wireless communications</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>GOX</sourceid><recordid>eNo1kEtLw0AUhQdBsNT-AFcOuE6d100my1JbFQq6KLgMt80NTp1O4kzq498bW10dDnwcDh9jV1JMjQUQtxi_3MdUFgKmQoqyOGMjpbXMrFHqgk1S2gkhVF4oAD1i_j5i90qBsqXHN0r8ObrQU81fXE0bDDVfeO-63m3R8zvXtZ74bABCQN60ka_aTz5vUz_wkTylNLT9_hAGvndtSHzWdf6_XLLzBn2iyV-O2Xq5WM8fstXT_eN8tsoQlM0A0IJUFjZSCU2mrpUBLFELEsrmaEDmwohiayDf0LbZ6MaUUNqy0YRkUY_Z9Wn2qKLqottj_K5-lVRHJQNxcyK62L4fKPXVrj3EMHyqlCiMBgm51T9A42R2</recordid><startdate>20170502</startdate><enddate>20170502</enddate><creator>Lamminen, Antti</creator><creator>Arapov, Kirill</creator><creator>de With, Gijsbertus</creator><creator>Haque, Samiul</creator><creator>Sandberg, Henrik G O</creator><creator>Friedrich, Heiner</creator><creator>Ermolov, Vladimir</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20170502</creationdate><title>Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low Cost Wireless Communications Applications</title><author>Lamminen, Antti ; 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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 GHz 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 Ohm/sq. at 10 {\mu}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.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1705.01097</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Antenna gain Antennas Bending machines Broadband Coplanar waveguides Dipole antennas Electrical resistivity Electronic devices Flakes Frequency ranges Graphene Heat treatment Kapton (trademark) Low cost Microstrip antennas Physics - Applied Physics Physics - Materials Science Polyimide resins Radio frequency Substrates Wireless communications |
| title | Graphene-Flakes Printed Wideband Elliptical Dipole Antenna for Low Cost Wireless Communications Applications |
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