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Effects of the microstructure of ZnO seed layer on the ZnO nanowire density

Published online by Cambridge University Press:  16 May 2011

Jaehyun Yang
Affiliation:
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
Myung Soo Lee
Affiliation:
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
Kyung Park
Affiliation:
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
Mi Ran Moon
Affiliation:
Department of Physics, Brain Korea 21 Physics Research Division, Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea
Donggeun Jung
Affiliation:
Department of Physics, Brain Korea 21 Physics Research Division, Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea
Hyoungsub Kim*
Affiliation:
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
Hoo-Jeong Lee*
Affiliation:
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea
*
a)Address all correspondence to these authors. e-mail: hsubkim@skku.edu
b)e-mail: hlee@skku.edu
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Abstract

In this study, we synthesized ZnO nanowires using Au catalytic particles formed on a ZnO seed layer. We modulated the microstructure of the ZnO seed layer by changing the sputtering power to investigate how the underlying ZnO film microstructure affects the distribution of ZnO nanowires. Examining the samples after each of the three key steps of the growth process (ZnO seed layer deposition, Au catalytic particle formation, and nanowire growth) using various characterization methods such as scanning electron microscopy, transmission electron microscopy, and x-ray diffraction helped us illuminate the profound impacts of the grain size of the seed layer on the nanowire density.

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Copyright
Copyright © Materials Research Society 2011

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References

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