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Study about an assembly of iron(III) hexacyanoferrate(II) and α-Fe2O3 as a secondary photocell: Part 1. Synthesis, characterization and photoelectrochemical properties of FTO/α-Fe2O3/KFe[Fe(CN)6]3 electrode system

dc.contributor.authorRojas V.
dc.contributor.authorNavarrete E.
dc.contributor.authorRomán J.
dc.contributor.authorBallesteros L.
dc.contributor.authorCáceres G.
dc.contributor.authorDíaz R.
dc.contributor.authorSchrebler R.
dc.contributor.authorCórdova R.
dc.contributor.authorGrez P.
dc.contributor.authorHenríquez R.
dc.contributor.authorMarotti R.E.
dc.contributor.authorDalchiele E.A.
dc.contributor.authorHerrera F.
dc.contributor.authorMuñoz E.C.
dc.date.accessioned2020-09-02T22:27:31Z
dc.date.available2020-09-02T22:27:31Z
dc.date.issued2020
dc.identifier10.1016/j.jelechem.2020.113913
dc.identifier.citation860, , -
dc.identifier.issn15726657
dc.identifier.urihttps://hdl.handle.net/20.500.12728/6104
dc.descriptionThis study addresses the synthesis and characterization of iron(III) hexacyanoferrate(II) (Prussian blue, PB) deposited on a semiconductor hematite electrode (α-Fe2O3). The formation of the Prussian blue/hematite interface was carried out by cyclic voltammetry. The modified electrode was morphologically characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM), structurally by x-ray diffraction (XRD), and photoelectrochemically by cyclic voltammetry under polychromatic illumination. The structure of the electrode system shows a cauliflower type morphology, with the typical PB structure. The electrochemical characterization indicates an increase of the currents of the low- and high-spin iron systems of PB when the system is illuminated, indicating that photogenerated charge carriers are involved. © 2020 Elsevier B.V.
dc.language.isoen
dc.publisherElsevier B.V.
dc.subjectPhotoelectrochemistry
dc.subjectPrussian blue
dc.subjectα-Fe2O3 semiconductor
dc.subjectAtomic force microscopy
dc.subjectElectrodes
dc.subjectHematite
dc.subjectPhotoresistors
dc.subjectScanning electron microscopy
dc.subjectElectrochemical characterizations
dc.subjectElectrode systems
dc.subjectModified electrodes
dc.subjectPhoto-electrochemistry
dc.subjectPhotoelectrochemical properties
dc.subjectPhotogenerated charge carriers
dc.subjectPrussian blue
dc.subjectSynthesis and characterizations
dc.subjectCyclic voltammetry
dc.titleStudy about an assembly of iron(III) hexacyanoferrate(II) and α-Fe2O3 as a secondary photocell: Part 1. Synthesis, characterization and photoelectrochemical properties of FTO/α-Fe2O3/KFe[Fe(CN)6]3 electrode system
dc.typeArticle


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