Journal
MATERIALS LETTERS
Volume 123, Issue -, Pages 187-190Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.02.111
Keywords
Oxidation; Co3O4; Nanorods; Microstructure
Funding
- Department of Science and Technology of Yunnan Province via the Key Project for the Science and Technology [2011FA001]
- National Natural Science Foundation of China [51262029]
- Key Project of the Department of Education of Yunnan Province [ZD2013006]
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Co3O4 nanorods (NRs) were successfully synthesized on nickel foil by a facile hydrothermal reaction. The X-ray diffraction (XRD) investigation confirms the formation of spinel Co3O4 phase. Owing to the mismatch between Co3O4 and substrate, the Co3O4 NRs initially grouped into bundle structure and then formed dispersed NRs. The length of Co3O4 NRs varies from several micrometers up to tens of micrometers with uniform diameter of about 1 mu m. Transmission electron microscopy (TEM) Characterization demonstrated that the NRs are stacked layer-by-layer from single grains in 50-200 nm. This facile hydrothermal method for preparation of Co3O4 NRs is significant in the synthesis and future applications of one-dimensional (1D) nanostructures. (C) 2014 Elsevier B.V. All rights reserved.
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