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Title: Controlled growth and field-emission properties of cobalt oxide nanowalls
Authors: Yu, T. 
Zhu, Y. 
Xu, X. 
Shen, Z. 
Chen, P. 
Lim, C.-T. 
Thong, J.T.-L. 
Sow, C.-H. 
Issue Date: 4-Jul-2005
Citation: Yu, T., Zhu, Y., Xu, X., Shen, Z., Chen, P., Lim, C.-T., Thong, J.T.-L., Sow, C.-H. (2005-07-04). Controlled growth and field-emission properties of cobalt oxide nanowalls. Advanced Materials 17 (13) : 1595-1599. ScholarBank@NUS Repository.
Abstract: The growth of freestanding, vertically oriented Co3O4 nanowalls by directly heating Co foil on a hot plate in ambient conditions was investigated. The field-emission properties of Co3O4 nanowalls were also investigated. Scanning electron microscopic (SEM) examination revealed a surface covered with a large quantity of nanowall-like morphologies, with most of them perpendicular to the substrate. The results reveal that the Co3O4 nanowalls or other morphologies of Co3O4 nanostructures are useful electron field emitters.
Source Title: Advanced Materials
ISSN: 09359648
DOI: 10.1002/adma.200500322
Appears in Collections:Staff Publications

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