Morphology controlled synthesis of ZnO particles through the oxidation of Al–Zn mixture

ZnO particles with different morphologies were synthesized through a simple oxidation process of Al–Zn mixtures in air. The morphologies significantly depended on the Zn content in Al–Zn mixture and the oxidation time. Rod-based brushes, typical tetrapods, and novel tetrapods with triangular wedges...

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Bibliographic Details
Published inCeramics international Vol. 36; no. 6; pp. 1871 - 1875
Main Author Lee, Geun-Hyoung
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.08.2010
Subjects
A. Powders: gas phase reaction
Aluminum
B. Whiskers
Ceramics
D. ZnO
Morphology
Oxidation
Spectra
Synthesis
Wedges
Zinc
Zinc oxide
D. ZnO
A. Powders: gas phase reaction
B. Whiskers
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Summary:ZnO particles with different morphologies were synthesized through a simple oxidation process of Al–Zn mixtures in air. The morphologies significantly depended on the Zn content in Al–Zn mixture and the oxidation time. Rod-based brushes, typical tetrapods, and novel tetrapods with triangular wedges were synthesized with the increase of Zn content in Al–Zn mixture. The morphology was also changed from rod to tetrapod shape with oxidation time. The results indicate that the concentration of Zn and the oxidation time might be responsible for the different morphologies of ZnO particles. XRD spectra showed that the ZnO particles were a hexagonal wurtzite structure.
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ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2010.03.024