A sustainable screen-printed Class-C rectifier for energy harvesting and wireless power transfer

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dc.contributor.authorMoloudian, Gholamhosein
dc.contributor.authorKumar, Sanjeev
dc.contributor.authorGawade, Dinesh R.
dc.contributor.authorBuckley, John L.
dc.contributor.authorO'Flynn, Brendan
dc.contributor.funderTaighde Éireann - Research Ireland
dc.contributor.funderDepartment of Agriculture, Food and the Marine
dc.contributor.funderEnterprise Ireland
dc.date.accessioned2026-02-04T00:33:41Z
dc.date.available2026-02-04T00:33:41Z
dc.date.issued2025-05-21
dc.description.abstractThis paper presents a novel, sustainable microwave Class-C rectifier for radio frequency (RF) energy harvesting and wireless power transmission. The proposed rectifier is fabricated using screen-printing techniques, utilizing a conductive layer made of silver nanoparticle ink and a sustainable cork substrate. The proposed rectifier consists of a simple matching network, a shunt diode, a Class-C harmonic termination structure and a resistive load. The proposed rectifier is designed to operate at f = 2.4 GHz, achieving a peak power conversion efficiency (PCE) of 64% at an RF input power (PIN) level of 24 dBm and an optimal load (RL) of 160 Ω. In the latter case, a DC-DC boost converter and a supercapacitor (COUT = 0.33 F) are employed to ensure adequate DC voltage for powering Internet of Things (IoT) devices, validating the rectifier's performance. The proposed system successfully demonstrates the charging of both the DC-DC booster and the supercapacitor across different PIN levels. Notably, this is the first time that a Cork substrate has been utilized for designing a microwave Class-C rectifier circuit, highlighting its potential for future sustainable IoT applications and RF circuitry design.en
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dc.identifier.authororcidMoloudian, Gholamhosein
dc.identifier.authororcidKumar, Sanjeev§0000-0003-2337-1376
dc.identifier.authororcidGawade, Dinesh R.
dc.identifier.authororcidBuckley, John L.
dc.identifier.authororcidO'Flynn, Brendan§0000-0002-5522-2597
dc.identifier.citationMoloudian, G, Kumar, S, Gawade, D R, Buckley, J L & O'Flynn, B 2025, A sustainable screen-printed Class-C rectifier for energy harvesting and wireless power transfer. in 2025 19th European Conference on Antennas and Propagation (EuCAP). 19th European Conference on Antennas and Propagation, EuCAP 2025, Stockholm, Sweden, 30/03/25. https://doi.org/10.23919/EuCAP63536.2025.10999781
dc.identifier.doi10.23919/EuCAP63536.2025.10999781
dc.identifier.isbn979-8-3503-6632-7
dc.identifier.isbn978-88-31299-10-7
dc.identifier.otherORCID: /0000-0003-2337-1376/work/204634425
dc.identifier.urihttps://hdl.handle.net/10468/18504
dc.language.isoen
dc.relation.urihttps://www.scopus.com/pages/publications/105007509216
dc.rights© 2025, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
dc.rights.accessrightsopen access
dc.statusPeer reviewed
dc.subjectClass-C Rectifier
dc.subjectEnergy Harvesting
dc.subjectScreen-printed
dc.subjectSustainable Cork Substrate
dc.subjectWireless Power Transfer (WPT)
dc.subject[TyndallMicroNano]
dc.titleA sustainable screen-printed Class-C rectifier for energy harvesting and wireless power transferen
dc.typeConference item
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