Abstract

A facile one-pot hydrothermal synthesis approach has been developed to prepare hierarchical and well-defined cobalt sulfide nanostructures. Different solvents (methanol, ethanol, glycol, propyl alcohol and butyl alcohol) were applied to investigate the influence of solvent on the morphologies evolution procedures. Morphologies such as sphere-, cube-, flake-like cobalt sulfide structures can be obtained, the surface appearance of the cobalt sulfide nanostructure also can be controlled by changing the solvent. The as-prepared products were characterized by Field-emission scanning electron microscope and the influence of different kinds of alcoholic solvents on the hierarchical CoS nanostructures was studied. It can affect the electrochemical capacitance performances directly and may have a potential application in electrical fields.

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