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Journal of Materials Science
Erschienen in: Journal of Materials Science 10/2019

13.02.2019 | Metals

Facile synthesis of petal-like nanocrystalline Co3O4 film using direct high-temperature oxidation

verfasst von: Siru Ren, Yukun Guo, Longlong Ju, Han Xiao, Anmin Hu, Ming Li

Erschienen in: Journal of Materials Science | Ausgabe 10/2019

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Abstract

A novel petal-like cobalt oxide (PCO) structure has been fabricated by electrodeposition of the nanostructured Co film followed by elevated-temperature oxidation. The structure exhibits monodisperse petal-like cobalt oxide nanosheets and core–shell structure with oxide as shell and metal as core. The morphology was studied by changing the surface structure of the initial Co film and oxidation temperature, finding that the PCO could only be obtained by calcining the arched Co film at 500 °C. The growth mechanism is briefly discussed based on the Caberra–Mott theory. The electrochemical behaviour analysis indicates the prepared material’s potential as electrode materials in supercapacitors.
Vorheriger Artikel Hot workability and microstructure evolution of Al–0.2Sc–0.04Zr alloy
Nächster Artikel Microstructural evolution in titanium matrix composites processed by multi-pass equal-channel angular pressing

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Metadaten
Titel
Facile synthesis of petal-like nanocrystalline Co3O4 film using direct high-temperature oxidation
verfasst von
Siru Ren
Yukun Guo
Longlong Ju
Han Xiao
Anmin Hu
Ming Li
Publikationsdatum
13.02.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 10/2019
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-019-03412-z

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