Ternary copper-tungsten-disulfide nanocube inks as catalyst for highly efficient dye-sensitized solar cells

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dc.authorid0000-0002-6001-8494en_US
dc.authorid0000-0003-1463-9764en_US
dc.authorid0000-0002-3689-0469en_US
dc.authorid0000-0002-6011-3504en_US
dc.contributor.authorGülen, Mahir
dc.contributor.authorSarılmaz, Adem
dc.contributor.authorPatır, İmren Hatay
dc.contributor.authorÖzel, Faruk
dc.contributor.authorSönmezoğlu, Savaş
dc.date.accessioned2019-12-06T21:15:34Z
dc.date.available2019-12-06T21:15:34Z
dc.date.issued2018
dc.departmentKMÜ, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.descriptionWOS:000428806700015en_US
dc.description.abstractIn this report, ternary copper-tungsten-disulfide (Cu2WS4) nanocube inks are successfully synthesized via colloidal synthesis process, utilizing metal chloride as cation sources, sulphur powder combined with oleylamine as coordinating solvent and ligand, and employed, for the first time, as catalyst for counter electrode (CE) to build up a low-cost/high-efficient dye-sensitized solar cell (DSSC). The composition, structure and morphology of these nanocubes are characterized by performing pertinent analyses. The experimental results indicate that the nanocubes are single phase, nearly stoichiometric composition and a mean size of 200 nm. From outstanding electrochemical performance, Cu2WS4 CE exhibits excellent catalytic activity towards iodine redox couples in the electrolyte and fast electron-transfer at the interfaces of CE/electrolyte owing to its larger surface area, more conductive network, lower charge transfer resistance and strong adherence of CWS nanocubes on substrate compare to Pt. The CWS-based cell displays a higher power conversion efficiency of 8.94% than that with Pt CE (8.00%), as well as an excellent reversibility/durability with long-term stability. The newly developed material confirms as valuable alternatives to Pt-free CEs for reduction in DSSCs and is of peculiar interest because of its low-cost, high stability simple fabrication process and impressive photovoltaic performance. (C) 2018 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipKaramanoglu Mehmetbey University, Scientific Research Foundation [32-M-16]; TUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [215M309]; Turkish Academy of Sciences via a TUBA-GEBIP fellowshipen_US
dc.description.sponsorshipWe want to thank to Karamanoglu Mehmetbey University, Scientific Research Foundation (Grand Number: 32-M-16) for financial support of this work. The authors would like to thank TUBITAK (Grand Number: 215M309) for supporting this work. Imren Hatay Patir also gratefully acknowledge the research support of Turkish Academy of Sciences via a TUBA-GEBIP fellowship.en_US
dc.identifier.citationGülen, M., Sarılmaz, A., Patir, I. H., Özel, F., Sönmezoğlu, S. (2018). Ternary copper-tungsten-disulfide nanocube inks as catalyst for highly efficient dye-sensitized solar cells. Electrochimica Acta, 269, 119-127.
dc.identifier.doi10.1016/j.electacta.2018.02.137
dc.identifier.endpage127en_US
dc.identifier.issn0013-4686
dc.identifier.issn1873-3859
dc.identifier.scopus2-s2.0-85042882805
dc.identifier.scopusqualityQ1
dc.identifier.startpage119en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.electacta.2018.02.137
dc.identifier.urihttps://hdl.handle.net/11492/2638
dc.identifier.volume269en_US
dc.identifier.wosWOS:000428806700015
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.institutionauthorGülen, Mahir
dc.institutionauthorSarılmaz, Adem
dc.institutionauthorÖzel, Faruk
dc.institutionauthorSönmezoğlu, Savaş
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.journalElectrochimica Actaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTernary Copper-Tungsten-Disulfide Nanocubesen_US
dc.subjectColloidal Synthesis Processen_US
dc.subjectCounter Electrodeen_US
dc.subjectDye-Sensitized Solar Cellsen_US
dc.titleTernary copper-tungsten-disulfide nanocube inks as catalyst for highly efficient dye-sensitized solar cellsen_US
dc.typeArticle

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