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dc.contributor.authorThanh Tung, T.en
dc.contributor.authorChen, S.en
dc.contributor.authorFumeaux, C.en
dc.contributor.authorKim, T.en
dc.contributor.authorLosic, D.en
dc.identifier.citationNanotechnology, 2021; 32(24):1-19en
dc.description.abstractWe report a flexible and highly efficient wideband slot antenna based on a highly conductive composite of poly(3,4-ethylenedioxythiophene) (PEDOT) and N-doped reduced graphene oxide (N-doped rGO) for wearable applications. The high conductivity of this hybrid material with low sheet resistance of 0.56 Ω/square, substantial thickness of 55 μm, and excellent mechanical resilience (<5.5% resistance change after 1000 bending cycles) confirmed this composite to be a suitable antenna conductor. The antenna achieved an estimated conduction efficiency close to 80% over a bandwidth from 3 to 8 GHz. Moreover, the successful operation of a realized antenna prototype has been demonstrated in free space and as part of a wearable camera system. The read range of the system was measured to be 271.2 m, which is 23 m longer than that of the original monopole antennas provided by the supplier. The synergistic effects between the dual conjugated structures of N-doped rGO and PEDOT in a single composite with fine distribution and interfacial interactions are critical to the demonstrated material performance. The N-doped rGO sheet reinforces the mechanical stability whereas the PEDOT functions as additive and/or binder, leading to an improved electrical and mechanical performance compared to that of the graphene and PEDOT alone. This high-performing nanocomposite material meets requirements for antenna design and opens the door for diverse future non-metallic flexible electronic device developments.en
dc.description.statementofresponsibilityTran Thanh Tung, Shengjian Jammy Chen, Christophe Fumeaux, TaeYoung Kim and Dusan Losicen
dc.publisherIOP Publishingen
dc.rights© 2021 IOP Publishing Ltd.en
dc.subjectGraphene; graphene-PEDOT; graphene inks; graphene antenna; wearable antennas; flexible antennaen
dc.titleN-doped reduced graphene oxide-PEDOT nanocomposites for implementation of a flexible wideband antenna for wearable wireless communication applicationsen
dc.typeJournal articleen
dc.identifier.orcidChen, S. [0000-0001-7907-2602]en
dc.identifier.orcidFumeaux, C. [0000-0001-6831-7213]en
dc.identifier.orcidLosic, D. [0000-0002-1930-072X]en
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