Solar H-2 generation via ethanol photoreforming on epsilon-Fe2O3 nanorod arrays activated by Ag and Au nanoparticles (Articolo in rivista)

Type
Label
  • Solar H-2 generation via ethanol photoreforming on epsilon-Fe2O3 nanorod arrays activated by Ag and Au nanoparticles (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c4ra04485a (literal)
Alternative label
  • Carraro G.; Gasparotto A.; Maccato C.; Gombac V.; Rossi F.; Montini T.; Peeters D.; Bontempi E.; Sada C.; Barreca D.; Fornasiero P. (2014)
    Solar H-2 generation via ethanol photoreforming on epsilon-Fe2O3 nanorod arrays activated by Ag and Au nanoparticles
    in RSC advances; RSC Publishing, Cambridge (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carraro G.; Gasparotto A.; Maccato C.; Gombac V.; Rossi F.; Montini T.; Peeters D.; Bontempi E.; Sada C.; Barreca D.; Fornasiero P. (literal)
Pagina inizio
  • 32174 (literal)
Pagina fine
  • 32179 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.rsc.org/en/Content/ArticleLanding/2014/RA/C4RA04485A#!divAbstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 61 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-3,7 : Department of Chemistry, Padova University, INSTM, Via Marzolo, 1-35131 Padova, Italy / 4,6,11 : Department of Chemical and Pharmaceutical Sciences, ICCOM-CNR Trieste Research Unit-INSTM Research Unit, University of Trieste, via L. Giorgieri, 1-34127 Trieste, Italy / 5 : CNR-IMEM, Parco Area Delle Scienze, 43124 Parma, Italy / 7 : Inorganic Chemistry II, Department of Chemistry and Biochemistry, Ruhr-University Bochum, 44801 Bochum, Germany / 8 : Chemistry for Technologies Laboratory, Brescia University, 25123 Brescia, Italy / 9 : Department of Physics and Astronomy, Padova University, Via Marzolo, 1-35131 Padova, Italy / 10 : CNR-IENI and INSTM, Department of Chemistry, Padova University, Via Marzolo, 1-35131 Padova, Italy / 11 : King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia (literal)
Titolo
  • Solar H-2 generation via ethanol photoreforming on epsilon-Fe2O3 nanorod arrays activated by Ag and Au nanoparticles (literal)
Abstract
  • Earth-abundant, non toxic and cheap Fe2O3 can be used as photocatalyst for sustainable hydrogen production from bio-ethanol aqueous solutions, under sunlight irradiation and without the application of any external electrical bias. To this aim, supported materials are not only technologically more appealing than powders, but also of key importance to develop photoactive and stable Fe2O3-based nanostructured photocatalysts. Here we demonstrated that, while bulk Fe2O3 is unsuitable for solar hydrogen evolution, nanostructured iron(III) oxide polymorphs show promising photoactivity. In particular, a hydrogen yield of 20 mmol h(-1) m(-2) was obtained on epsilon-Fe2O3 nanorod arrays supported on Si(100) under simulated sunlight irradiation, mainly due to UV solar photon absorption. The functionalization with partially oxidized Ag nanoparticles resulted in a positive performance improvement upon selective irradiation with the UV portion of the solar spectrum. Conversely, the incorporation of Au nanoaggregates into epsilon-Fe2O3 enabled to obtain a significant H-2 production even under sole Vis light. (literal)
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