Growth and Characterization of Vertically Aligned ZnO Hierarchical Nanostructures

Vertically aligned zinc oxide (ZnO) hierarchical nanostructures were developed by homo-epitaxial growth method using nickel as catalyst, and their physical properties were investigated and reported. ZnO nanorods grown by vapor-liquid-solid method are single crystalline and grown along the 〈001〉 dire...

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Bibliographic Details
Published in:ECS solid state letters 2013-08, Vol.2 (11), p.P101-P103
Main Authors: Devika, M., Koteeswara Reddy, N., Kang, J.-W., Park, S.-J., Tu, C. W.
Format: Article
Language:English
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Summary:Vertically aligned zinc oxide (ZnO) hierarchical nanostructures were developed by homo-epitaxial growth method using nickel as catalyst, and their physical properties were investigated and reported. ZnO nanorods grown by vapor-liquid-solid method are single crystalline and grown along the 〈001〉 direction, whereas the second order nano-branches are grown along the 〈110〉 direction. The homo-epitaxial relation between nano-branches (ZnOb) and ZnO cores (ZnOc) is found to be (110)ZnOb//(110)ZnOc and (002)ZnOb//(002)ZnOc. The simple and hierarchical nanostructures exhibited ultra-violet emission peak at 380 nm as near band edge emission of ZnO and have very weak defects related peak at 492 nm.
ISSN:2162-8742
2162-8750
DOI:10.1149/2.001311ssl