Direct Growth of ZnO Nanorods on Zinc Substrate via Hydrothermal Method

Sina Abdolhosseinzadeh; Hamed Asgharzadeh

doi:10.4028/www.scientific.net/AMR.829.421

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 829Direct Growth of ZnO Nanorods on Zinc Substrate...

Direct Growth of ZnO Nanorods on Zinc Substrate via Hydrothermal Method

Abstract:

ZnO nanorods were grown on zinc substrate via hydrothermal method. Zn foils were immersed in an alkali solution and then heated in a Teflon-lined autoclave. The effects of alkali solutions pH (8-12), temperature (90-180 °C) and time (4-18 h) as well as seeding the substrate on the morphology and density of the ZnO nanorods have been investigated. The morphology and microstructure of the synthesized products were characterized by XRD, SEM and EDX. Nanorods with 100-800 nm in diameter and up to 3 μm in length were synthesized depending on the processing condition. It was found that at severe processing conditions, i.e. high OH^- concentration, high temperature and prolonged time the nanorods tended to dissolve or disappear. Seeding the substrate leads to the formation of dense and highly-aligned nanorods.

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Periodical:

Advanced Materials Research (Volume 829)

Pages:

421-425

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.829.421

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Online since:

November 2013

Authors:

Sina Abdolhosseinzadeh, Hamed Asgharzadeh*

Keywords:

Alkali Solution, Hydrothermal Growth, Nanorods, Zinc Oxide (ZnO)

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* - Corresponding Author

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