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A facile hydrothermal route to spinel CoCo2O4nanotubes and porous nanostructures without assisted surfactants and templates

Authors
Journal
Materials Letters
0167-577X
Publisher
Elsevier
Publication Date
Volume
63
Issue
16
Identifiers
DOI: 10.1016/j.matlet.2009.01.008
Keywords
  • Coco2O4Nanostructures
  • Hydrothermal
  • Electrochemical Properties
Disciplines
  • Chemistry
  • Earth Science
  • Geography

Abstract

Abstract Spinel CoCo 2O 4 nanotubes and porous nanostructures have been synthesized by a novel hydrothermal method from Co(NO 3) 2·6H 2O in mixtures of ammonia and cyclohexane at 220 °C. The morphology and phase of CoCo 2O 4 can be controlled by adjusting the experimental parameters that include the Co 2+ concentration and the volume ratio of ammonia to cyclohexane. X-ray diffraction and transmission electron microscopy analyses were used to characterize the products. The formation mechanisms of CoCo 2O 4 nanostructures is proposed in detail. The electrochemical properties of the as-prepared samples have been investigated.

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