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Improvement in photocatalytic activity of stable WO3 nanoplatelet globular clusters arranged in a tree-like fashion: Influence of rotation velocity during anodization

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Improvement in photocatalytic activity of stable WO3 nanoplatelet globular clusters arranged in a tree-like fashion: Influence of rotation velocity during anodization

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dc.contributor.author Fernández Domene, Ramón Manuel
dc.contributor.author Sánchez Tovar, Rita
dc.contributor.author Lucas Granados, Bianca
dc.contributor.author Garcia-Anton, Jose
dc.date.accessioned 2021-01-08T12:41:37Z
dc.date.available 2021-01-08T12:41:37Z
dc.date.issued 2016
dc.identifier.citation Fernández Domene, Ramón Manuel Sánchez Tovar, Rita Lucas Granados, Bianca García-Antón, Jose 2016 Improvement in photocatalytic activity of stable WO3 nanoplatelet globular clusters arranged in a tree-like fashion: Influence of rotation velocity during anodization Applied Catalysis B. Environmental 189 266 282
dc.identifier.uri https://hdl.handle.net/10550/76913
dc.description.abstract This study investigates the influence of controlled hydrodynamic conditions during anodization of tungsten (W) on the morphological, electrochemical and photocatalytic properties of a novel WO3 nanostructure: globular clusters of nanoplatelets associated in a tree-like fashion. For this purpose different techniques such as Field-Emission Scanning Electronic Microscopy (FE-SEM), electrochemical impedance spectroscopy (EIS) measurements, Mott-Schottky (M-S) analysis and photoelectrochemical water splitting tests have been carried out. Photoanodes obtained at 375 rpm showed the best photoresponse, much higher than that of conventional WO3 nanoplatelets, which can be ascribed to a noteworthy increase in the electrochemically active surface area leading to improved charge transfer at the interface. Moreover, the improved WO3 nanostructure displayed very good long-term photostability when irradiated with AM 1.5 illumination, thus solving the recurrent problem of the poor stability of WO3 against photodegradation processes.
dc.language.iso eng
dc.relation.ispartof Applied Catalysis B. Environmental, 2016, vol. 189, p. 266-282
dc.subject Electroquímica
dc.title Improvement in photocatalytic activity of stable WO3 nanoplatelet globular clusters arranged in a tree-like fashion: Influence of rotation velocity during anodization
dc.type journal article es_ES
dc.date.updated 2021-01-08T12:41:38Z
dc.identifier.doi 10.1016/j.apcatb.2016.02.065
dc.identifier.idgrec 140766
dc.rights.accessRights open access es_ES

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