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Park, Jongnam
Materials and Chemistry Lab (MCL)
Research Interests
  • Inorganic synthesis, microfluidics, nanomaterials, surface engineering, bioimaging

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Synthesis, characterization, and self-assembly of pencil-shaped CoO nanorods

Cited 131 times inthomson ciCited 131 times inthomson ci
Title
Synthesis, characterization, and self-assembly of pencil-shaped CoO nanorods
Author
An, KwangjinLee, NohyunPark, JongnamKim, Sung ChulHwang, YosunPark, Je-GeunKim, Jae-YoungPark, Jae-HoonHan, Myung JoonYu, JaejunHyeon, Taeghwan
Issue Date
2006-08
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.128, no.80, pp.9753 - 9760
Abstract
We synthesized uniformly sized, pencil-shaped CoO nanorods by the thermal decomposition of a cobalt-oleate complex, which was prepared from the reaction of cobalt chloride and sodium oleate. The diameters and lengths of the CoO nanorods were easily controlled by varying the experimental conditions, such as the heating rate and the amount of Co-oleate complex. The X-ray diffraction pattern revealed that the CoO nanorods have an extraordinary wurtzite ZnO crystal structure. These uniformly sized nanorods self-assembled to form both horizontal parallel arrangements and perpendicular hexagonal honeycomb superlattice structures. Reduction of the nanorods by heating under a hydrogen atmosphere generated either hcp Co or Co2C nanorods. Characterization of the CoO nanorods using X-ray absorption spectroscopy, X-ray magnetic circular dichroism spectroscopy, and magnetic measurements showed that they contain a small fraction of ferromagnetic Co impurities.
URI
https://scholarworks.unist.ac.kr/handle/201301/12920
URL
http://pubs.acs.org/doi/abs/10.1021/ja0608702
DOI
10.1021/ja0608702
ISSN
0002-7863
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BME_Journal Papers
ECHE_Journal Papers
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