Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 182, Issue 11, Pages 3177-3182Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2009.08.033
Keywords
Co3O4 nanorods; Microemulsion; Scanning electron microscopy; Optical property; Lithium-ion batteries
Funding
- National Natural Science Foundation of China [20701005, 20701006]
- Science and Technology Development Project Foundation of Jilin Province [20060420]
- Postdoctoral station Foundation of Ministry of Education [20060200002]
- Testing Foundation of Northeast Normal University
- Program for Changjiang Scholars and Innovative Research Team in University
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We developed a facile synthetic route of porous cobalt oxide (Co3O4) nanorods via a microemulsion-based method in combination with Subsequent calcination process. The porous structure was formed by controlled decomposition of the microemulsion-synthesized precursor CoC2O4 nanorods without destruction of the original morphology. The as-prepared Co3O4 nanorods, consisting of small nanoparticles with diameter of 80-150 nm, had an average diameter of 200 nm and a length of 3-5 mu m. The morphology and structure of synthesized samples were characterized by transmission electron microscopy and scanning electron microscopy. The phase and composition were investigated by X-ray powder diffraction and X-ray photoelectron spectroscopy. The optical Property Of Co3O4 nanorods was investigated. Moreover, the porous Co3O4 nanorods exhibited high electrochemical performance when applied as cathode materials for lithium-ion batteries, which gives them good potential applications. (C) 2009 Elsevier Inc. All rights reserved
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