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Synthesis of ZnO nanorods by a hot-wall high-temperature metalorganic chemical vapor deposition process

Published online by Cambridge University Press:  01 April 2005

Young-Jin Choi ,
Jae-Hwan Park  and
Jae-Gwan Park
Young-Jin Choi
Affiliation:
Materials Science and Technology Division, Korea Institute of Science and Technology, Cheongryang, Seoul 130-650, Korea
Jae-Hwan Park
Affiliation:
Materials Science and Technology Division, Korea Institute of Science and Technology, Cheongryang, Seoul 130-650, Korea
Jae-Gwan Park*
Affiliation:
Materials Science and Technology Division, Korea Institute of Science and Technology, Cheongryang, Seoul 130-650, Korea
*
a) Address all correspondence to this author. e-mail: jgpark@kist.re.kr
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Abstract

ZnO nanorods with diameter of 30–200 nm were synthesized by a metalorganic chemical vapor deposition process in a hot-wall type chamber at elevated temperatures above 700 °C. At temperatures between 400 and 500 °C, ZnO thin films and wrinkles were synthesized. Above 500 °C, vertically aligned ZnO nanorods were grown on a Si and sapphire substrate without any catalysts. The range of diameter was 30–200 nm. When Au catalysts were deposited on the substrate prior to the deposition, nanocombs and nanosheets as well as nanorods were synthesized. In particylar, ZnO could be grown selectively along the pattern of the Au catalyst with the aid of a Au–Zn alloy.

Keywords

Chemical vapor deposition (CVD)Crystal growthNanostructure
Type
Research Article
Information
Journal of Materials Research , Volume 20 , Issue 4 , April 2005 , pp. 959 - 964
Copyright
Copyright © Materials Research Society 2005

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References

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