Graphene-Oxide-Coated Flexible Fabric Antenna Sensor for Contact-Free H2O Sensing

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dc.contributor.authorSingh, V.P.
dc.contributor.authorKandasamy, K.
dc.contributor.authorRahman, M.R.
dc.date.accessioned2026-02-04T12:25:17Z
dc.date.issued2024
dc.description.abstractThis article presents a flexible antenna sensor on denim jeans fabric for H2O sensing. A small defected ground structure is developed on the copper ground plane of the antenna. Graphene oxide (GO) is coated on the defected ground for sensor applications. The flexible antenna sensor with GO coated on a defected ground plane resonates at 5.52 GHz. The resonance frequency of the proposed antenna changes linearly with the H2O content. The frequency sensitivity of the denim fabric antenna sensor is ≈203 MHz/10% relative humidity (RH). The denim fabric antenna sensor has a measured phase sensitivity of 40° per 10% RH. The flexible antenna sensor gives a linearity of 98.28%. The designed antenna sensor can distinguish between fresh and dried grapes by H2O detection. © 2001-2012 IEEE.
dc.identifier.citationIEEE Sensors Journal, 2024, 24, 2, pp. 1175-1182
dc.identifier.issn1530437X
dc.identifier.urihttps://doi.org/10.1109/JSEN.2023.3337492
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/21330
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.subjectAntenna grounds
dc.subjectDefected ground structures
dc.subjectDefects
dc.subjectHumidity sensors
dc.subjectMicrowave antennas
dc.subjectSlot antennas
dc.subjectAntenna sensors
dc.subjectAntennas measurement
dc.subjectContact free
dc.subjectDenim fabrics
dc.subjectDenim jean
dc.subjectFlexible antennas
dc.subjectFlexible fabric antennas
dc.subjectGraphene oxides
dc.subjectGround planes
dc.subjectSaturated salts
dc.subjectGraphene
dc.titleGraphene-Oxide-Coated Flexible Fabric Antenna Sensor for Contact-Free H2O Sensing

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