Reverse micelles template assisted fabrication of ZnO hollow nanospheres and hexagonal microtubes by a novel fast microemulsion-based hydrothermal method
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ZnO hollow micro/nanostructures were fabricated by a novel fast hydrothermal method based on the microemulsion. The aqueous reverse micelles were used as templates and different amount of Zn2+ colloid was compelled to hydrolyze on its surface. Scanning electron microscopy indicates that the products grown in the solution with colloid volume concentration of 12.3 and 0.5 v.% are hollow nanospheres and hexagonal microtubes, respectively. It is believed that this difference should attribute to the initial shape of hydrolysate and the core/shell state of water/surfactant during hydrothermal treatment.
KeywordsZnO Hollow nanosphere Hexagonal microtube Hydrothermal method Reverse microemulsion
Authors gratefully acknowledge financial support from the Science and Technology Project of Liaoning Province in China (No. 200822208).