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Compact hematite buffer layer as a promoter of nanorod photoanode performances

  Articoli su Riviste JCR/ISI  (anno 2016)

Autori:  Milan R., Cattarin S., Comisso N., Baratto C., Kaunisto K., Tkachenko N. V., Concina I

Affiliazione Autori:  Department of Information Engineering, University of Brescia, Via Branze 38, 9–25131 Brescia, Italy; CNR-INO SENSOR Laboratory, via Branze 45–25123 Brescia, Italy; ICMATE–CNR, Corso Stati Uniti 4, 35127 Padova, Italy; Department of Chemistry and Bioengineering, Tampere University of Technology, P.O. Box 541, FI-33101 Tampere, Finland; Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, 971 87 Luleå, Sweden

Riassunto:  The effect of a thin alpha-Fe2O3 compact buffer layer (BL) on the photoelectrochemical performances of a bare alpha-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 alpha-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 parallel to 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.

Rivista/Giornale:  SCIENTIFIC REPORTS
Volume n.:  6      Pagine da: 35049-1  a: 35049-10
Ulteriori informazioni:  IC thanks VINNOVA under the VINNMER Marie Curie Incoming project \"Light Energy\" for partial funding.
DOI: 10.1038/srep35049

*Impact Factor della Rivista: (2016) 4.259   *Citazioni: 8
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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