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Ex Situ Evidence for the Role of a Fluoride-Rich Layer Switching the Growth of Nanopores to Nanotubes: A Missing Piece of the Anodizing Puzzle

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dc.abstract.enAnodizing involves a high-voltage electrochemical conversion process that forms barrier-type oxide layers or self-organized nanoporous/nanotubular structures. So far, Al2O3-like nanopores and TiO2-like nanotubes could be successfully synthesized on many metals and alloys. The proposed models of anodic oxide nanotubes growth, however, sacrifice from lack of evidence of the transition from nanopores to nanotubes. The present study demonstrates a missing piece of this anodizing puzzle, which is responsible for the formation of nanotubes in fluoride-containing organic electrolytes. For this purpose, we choose an anodic oxide formed on iron, as a model case, because both nanotubes and nanopores can be formed and slow kinetics of transition between those two forms allows us to observe, ex situ, a fluoride-rich-layer upon nanopores/nanotubes transition. The compositional fingerprints of this transition shed a light on the general mechanism of nanotubes growth in fluoride-containing electrolytes.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorZhu, Chunyu
dc.contributor.authorShahzad, Khurram
dc.contributor.authorKowalski, Damian
dc.contributor.authorHabazaki, Hiroki
dc.contributor.authorAoki, Yoshitaka
dc.date.accessioned2024-01-25T00:14:52Z
dc.date.available2024-01-25T00:14:52Z
dc.date.issued2018
dc.description.financeNie dotyczy
dc.description.number4
dc.description.volume5
dc.identifier.doi10.1002/CELC.201701103
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/106893
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofChemElectroChem
dc.relation.pages610-618
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enanodizing iron oxide nanotubes anodic oxide fluoride-rich-layer
dc.titleEx Situ Evidence for the Role of a Fluoride-Rich Layer Switching the Growth of Nanopores to Nanotubes: A Missing Piece of the Anodizing Puzzle
dc.typeJournalArticle
dspace.entity.typePublication