Hybrid CuFe-CoFe prussian blue catalysts on BiVO4for enhanced charge separation and injection for photoelectrochemical water oxidation

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buir.contributor.authorAkbari, Sina Sadigh
buir.contributor.orcidAkbari, Sina Sadigh|0000-0001-9543-6808
dc.citation.epage15414en_US
dc.citation.issueNumber12en_US
dc.citation.spage15434en_US
dc.citation.volumeNumber5en_US
dc.contributor.authorUsman, E.
dc.contributor.authorVishlaghi, B.
dc.contributor.authorAkbari, Sina Sadigh
dc.contributor.authorKaradaş, F.
dc.contributor.authorKaya, S.
dc.date.accessioned2023-02-20T14:07:00Z
dc.date.available2023-02-20T14:07:00Z
dc.date.issued2022-12-26
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractThe utilization of cocatalysts on the photoelectrode surface is a feasible strategy to achieve a high photocurrent density in the photoelectrochemical water oxidation process. The catalysts can enhance the activity by improving the reaction kinetics, retarding charge carrier recombination, or accumulating charge carriers. In this work, we have utilized a CuFe–CoFe Prussian blue (PB) catalyst layer on the BiVO4 photoanode surface to enhance its water oxidation activity. The hybrid catalyst, in which the semiprecious cobalt ions are partially substituted with earth-abundant copper ions, exhibits 56% higher photocurrent density than the CoFe PB-modified BiVO4. We show that photogenerated hole accumulation is present in the CuFe PB layer, which results in higher charge extraction from the BiVO4 surface. The CoFe PB layer on top of the CuFe one facilitates the charge transfer due to its catalytic activity toward the oxygen evolution reaction (OER).en_US
dc.identifier.doi10.1021/acsaem.2c03038en_US
dc.identifier.eissn2574-0962
dc.identifier.urihttp://hdl.handle.net/11693/111552
dc.language.isoEnglishen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.isversionofhttps://www.doi.org/10.1021/acsaem.2c03038en_US
dc.source.titleACS Applied Energy Materialsen_US
dc.subjectPhotoelectrochemicalen_US
dc.subjectConversion water splittingen_US
dc.subjectPrussian blueen_US
dc.subjectBiVO4en_US
dc.subjectOERen_US
dc.titleHybrid CuFe-CoFe prussian blue catalysts on BiVO4for enhanced charge separation and injection for photoelectrochemical water oxidationen_US
dc.typeArticleen_US
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