Controlled Fabrication of Nanoporous Oxide Layers on Zircaloy by Anodization

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We have presented a mechanism to explain why the resulting oxide morphology becomes a porous or a tubular nanostructure when a zircaloy is electrochemically anodized. A porous zirconium oxide nanostructure is always formed at an initial anodization stage, but the degree of interpore dissolution determines whether the final morphology is nanoporous or nanotubular. The interpore dissolution rate can be tuned by changing the anodization parameters such as anodization time and water content in an electrolyte. Consequently, porous or tubular oxide nanostructures can be selectively fabricated on a zircaloy surface by controlling the parameters. Based on this mechanism, zirconium oxide layers with completely nanoporous, completely nanotubular, and intermediate morphologies between a nanoporous and a nanotubular structure were controllably fabricated.
Publisher
SPRINGER
Issue Date
2015-09
Language
English
Article Type
Article
Keywords

TIO2 NANOTUBE ARRAYS; H2SO4/HF ELECTROLYTES; ASSISTED SYNTHESIS; FILMS; WATER; ZIRCONIUM; TEMPERATURE; TITANIUM; GROWTH; SENSOR

Citation

NANOSCALE RESEARCH LETTERS, v.10

ISSN
1556-276X
DOI
10.1186/s11671-015-1086-x
URI
http://hdl.handle.net/10203/205353
Appears in Collection
NE-Journal Papers(저널논문)
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