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Compact hematite buffer layer as a promoter of nanorod photoanode performances
Department of Information Engineering, University of Brescia.
ICMATE-CNR.
ICMATE-CNR.
CNR-INO SENSOR Laboratory.
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Number of Authors: 7
2016 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 6, 35049Article in journal (Refereed) Published
Abstract [en]

The effect of a thin α-Fe2O3 compact buffer layer (BL) on the photoelectrochemical performances of a bare α-Fe2O3 nanorods photoanode is investigated. The BL is prepared through a simple spray deposition onto a fluorine-doped tin oxide (FTO) conducting glass substrate before the growth of a α-Fe2O3 nanorods via a hydrothermal process. Insertion of the hematite BL between the FTO and the nanorods markedly enhances the generated photocurrent, by limiting undesired losses of photogenerated charges at the FTO||electrolyte interface. The proposed approach warrants a marked improvement of material performances, with no additional thermal treatment and no use/dispersion of rare or toxic species, in agreement with the principles of green chemistry.

Place, publisher, year, edition, pages
2016. Vol. 6, 35049
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Other Physics Topics
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Experimental physics
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URN: urn:nbn:se:ltu:diva-59790DOI: 10.1038/srep35049ISI: 000385536400001PubMedID: 27733756OAI: oai:DiVA.org:ltu-59790DiVA: diva2:1037591
Note

Validerad; 2016; Nivå 2; 2016-10-17 (andbra)

Available from: 2016-10-17 Created: 2016-10-17 Last updated: 2016-11-11Bibliographically approved

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Concina, Isabella
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