Integration of graphene with GZO as TCO layer and its impact on solar cell performance

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dc.authoridTuran, Rasit/0000-0002-2612-8972
dc.authoridAltuntepe, Ali/0000-0002-6366-4125
dc.authoridZAN, RECEP/0000-0001-6739-4348
dc.authoridSeyhan, Ayse/0000-0001-8090-1404
dc.authoridOLGAR, MEHMET ALI/0000-0002-6359-8316
dc.contributor.authorZan, Recep
dc.contributor.authorOlgar, Mehmet Ali
dc.contributor.authorAltuntepe, Ali
dc.contributor.authorSeyhan, Ayse
dc.contributor.authorTuran, Rasit
dc.date.accessioned2024-11-07T13:32:49Z
dc.date.available2024-11-07T13:32:49Z
dc.date.issued2022
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIn this study, we investigated the impact of incorporating graphene with Ga-doped ZnO (GZO) when employing them as a TCO layer on Si-based solar cell. GZO thin films with various thicknesses (50-450 nm) were fabricated by the sputtering method using a single target. The aim here was to determine the GZO film with the optimum thickness to incorporate it with single layer graphene as TCO. This thickness was found to be 350 nm as that was the best crystalline quality found in the Opattern. Further, this sample had the lowest sheet resistance and highest transmission values as confirmed by electrical (sheet resistance), and optical characterizations (transmission). Topographic (SEM and AFM), electrical (resistivity and carrier concentration) measurements were also conducted on the same sample. The graphene film grown on copper in a CVD system was then transferred on top of this sample to fabricate the hybrid TCO structure. We found that graphene integrated GZO hybrid TCO film showed higher sheet resistance due to high sheet resistance of graphene and similar optical properties thanks to high optical transmission of graphene. Employing graphene-based TCO layer in the solar cell resulted in higher open-circuit voltage, consequently improving the conversion efficiency from 10.0% to 11.2%. (c) 2021 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipSci-entific and Technological Research Council of Turkey [TuBI_TAK-119M032]
dc.description.sponsorshipThe authors gratefully acknowledge the funding from The Sci-entific and Technological Research Council of Turkey (TuBI_TAK-119M032) .
dc.identifier.doi10.1016/j.renene.2021.09.101
dc.identifier.endpage1324
dc.identifier.issn0960-1481
dc.identifier.issn1879-0682
dc.identifier.scopus2-s2.0-85116597139
dc.identifier.scopusqualityQ1
dc.identifier.startpage1317
dc.identifier.urihttps://doi.org/10.1016/j.renene.2021.09.101
dc.identifier.urihttps://hdl.handle.net/11480/15632
dc.identifier.volume181
dc.identifier.wosWOS:000708443300011
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofRenewable Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectGa-doped ZnO (GZO)
dc.subjectGraphene
dc.subjectSolar cell
dc.subjectSilicon
dc.subjectTCO
dc.titleIntegration of graphene with GZO as TCO layer and its impact on solar cell performance
dc.typeArticle

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