An electrochemical deposition route for obtaining α-Fe 2O3 thin films

Ricardo Schrebler, Karen Bello, Francisca Vera, Paula Cury, EDUARDO CARLO MUÑOZ CARTAGENA, Rodrigo Del Río, Humberto Gómez Meier, Ricardo Córdova, Enrique A. Dalchiele

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70 Scopus citations

Abstract

Electrochemical deposition of hematite (α- Fe2 O3) thin films was investigated on SnO2: F covered glass substrates. A new electrochemical method to obtain hematite thin films through a potential cycling procedure in an aqueous solution of Fe(III)+KF+ H2 O2 at room temperature is presented. The electrodeposited iron oxide thin films submitted to an annealing treatment showed a good quality and crystallinity. X-ray diffraction analysis confirmed the presence of the rhombohedrally centered hexagonal structure: α- Fe2 O3, hematite, as the sole crystalline phase. A bandgap energy of ca. 2.0 eV was measured for these films.

Original languageEnglish
Pages (from-to)C110-C113
JournalElectrochemical and Solid-State Letters
Volume9
Issue number7
DOIs
StatePublished - Jul 2006
Externally publishedYes

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