Surface dynamics and electrochemical examination of Co3O4 films by iron doping

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dc.authoridSarf, Fatma/0000-0002-4445-4800
dc.authoridILGAZ, AYKUT/0000-0002-9632-0281
dc.contributor.authorYakar, Emin
dc.contributor.authorSarf, Fatma
dc.contributor.authorBayirli, Mehmet
dc.contributor.authorIlgaz, Aykut
dc.date.accessioned2025-01-27T21:01:57Z
dc.date.available2025-01-27T21:01:57Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study focused on Co3O4 films, which were prepared by cost-effective chemical bath deposition on In:SnO2 (ITO) substrates with iron doping concentrations ranging from 2 to 6 mol %. Structural properties were investigated by XRD as well as nanotexture of Fe: Co3O4 films was captured via SEM and detailed fractal analysis was analyzed in each prepared film. Effective using of prepared Fe: Co3O4 electrodes for electrochemical charge storage applications has been examined by using CV and EIS. From x-ray patterns, spinel cubic structure of Co3O4 was observed in all samples, while peaks with Co(2)O(3 )and substrate indexed peaks were also shown. Pure and iron doped Co3O4 surfaces have spherical agglomerative forms while porous structures were observed in 4% Co3O4 samples. Redox peaks induced by Faradaic reactions in the CV plots present pseudo- capacitive nature for all electrodes and improves charge transfer process in 4% Co3O4 and 6% Co3O4 from EIS measurements. Additionally, using scaling theory, the coverage ratio, fractal dimensions, cluster sizes and interface critical exponent values of the superficial hetero morphology of the samples are calculated. While the coating rate decreases according to the iron concentration, fractal dimensions increase. However, as the number of clusters increases, the average cluster size decreases. The interface critical exponent value shows an irregular change.
dc.identifier.doi10.1088/2051-672X/ad56a5
dc.identifier.issn2051-672X
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85200911537
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1088/2051-672X/ad56a5
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27239
dc.identifier.volume12
dc.identifier.wosWOS:001285624300001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIop Publishing Ltd
dc.relation.ispartofSurface Topography-Metrology and Properties
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectnanosize
dc.subjectsurface fractal analysis
dc.subjectenergy storage and conversion
dc.titleSurface dynamics and electrochemical examination of Co3O4 films by iron doping
dc.typeArticle

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