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Formation of anodic TiO2 nanotube or nanosponge morphology determined by the electrolyte hydrodynamic conditions

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Formation of anodic TiO2 nanotube or nanosponge morphology determined by the electrolyte hydrodynamic conditions

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dc.contributor.author Sánchez Tovar, Rita es_ES
dc.contributor.author Lee, Kiyoung es_ES
dc.contributor.author García Antón, José es_ES
dc.contributor.author Schmuki, Patrik es_ES
dc.date.accessioned 2015-10-26T11:44:29Z
dc.date.available 2015-10-26T11:44:29Z
dc.date.issued 2013-01
dc.identifier.issn 1388-2481
dc.identifier.uri http://hdl.handle.net/10251/56511
dc.description.abstract The present work studies the effect of hydrodynamic conditions on the growth of anodic TiO2 nanostructures on Ti in a glycerol/water/NH4F electrolyte. Parameter screening for fluoride content, anodization voltage and rotation rate (Reynolds number) of a rotating anode showed that two distinctly different TiO2 morphologies could be obtained: the classic ordered nanotubes or a nanoscale sponge layer. We present conditions for TiO2 sponge formation and growth to several micrometers of thickness, and show that in specific cases sponge layers can be superior to tube morphologies, as illustrated for photoelectrochemical water-splitting under standard AM 1.5 conditions. es_ES
dc.description.sponsorship The authors would like to express their gratitude to the Spanish Ministry of Science and Innovation FPU grant given to Rita Sanchez Tovar as well as DFG, and the DFG Cluster of Excellence at the University of Erlangen-Nuremberg [Engineering of Advanced Materials (EAM)] for financial support. We also like to thank the reviewer for valuable input. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Electrochemistry Communications es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject TiO2 es_ES
dc.subject Self-organization es_ES
dc.subject Porous structure es_ES
dc.subject Anodization es_ES
dc.subject.classification INGENIERIA QUIMICA es_ES
dc.title Formation of anodic TiO2 nanotube or nanosponge morphology determined by the electrolyte hydrodynamic conditions es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.elecom.2012.09.041
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Química y Nuclear - Departament d'Enginyeria Química i Nuclear es_ES
dc.description.bibliographicCitation Sánchez Tovar, R.; Lee, K.; García Antón, J.; Schmuki, P. (2013). Formation of anodic TiO2 nanotube or nanosponge morphology determined by the electrolyte hydrodynamic conditions. Electrochemistry Communications. 26:1-4. doi:10.1016/j.elecom.2012.09.041 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.elecom.2012.09.041 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 4 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 26 es_ES
dc.relation.senia 255241 es_ES
dc.contributor.funder Deutsche Forschungsgemeinschaft es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES


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