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Cho, Seungho
Metal Oxide DEsign Laboratory (MODEL)
Research Interests
  • Metal Oxide Crystal Growth

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Room temperature synthesis and optical properties of small diameter (5 nm) ZnO nanorod arrays

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Title
Room temperature synthesis and optical properties of small diameter (5 nm) ZnO nanorod arrays
Other Titles
Room temperature synthesis and optical properties of small diameter (5 nm) ZnO nanorod arrays
Author
Cho, SeunghoJang, Ji-WookLee, Jae SungLee, Kun-Hong
Issue Date
2010-10
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v.2, no.10, pp.2199 - 2202
Abstract
We report a simple wet-chemical synthesis of similar to 5 nm diameter ZnO nanorod arrays at room temperature (20 degrees C) and normal atmospheric pressure (1 atm) and their optical properties. They were single crystalline in nature, and grew in the [001] direction. These small diameter ZnO nanorod arrays can also be synthesized at 0 degrees C. Control experiments were also conducted. On the basis of the results, we propose a mechanism for the spontaneous growth of the small diameter ZnO structures. The optical properties of the 5 nm diameter ZnO nanorod arrays synthesized using this method were probed by UV-Visible diffuse reflectance spectroscopy. A clear blue-shift, relative to the absorption band from 50 nm diameter ZnO nanorod arrays, was attributed to the quantum confinement effects caused by the small nanocrystal size in the 5 nm diameter ZnO nanorods
URI
https://scholarworks.unist.ac.kr/handle/201301/12842
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2010/NR/c0nr00278j#!divAbstract
DOI
10.1039/c0nr00278j
ISSN
2040-3364
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