Morphology and Growth Mechanism of Comb-like and Leaf-like ZnO Nanostructures

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Abstract

Comb-like ZnO nanostructures and leaf-like nanostructures with a high crystalline quality are fabricated by chemical vapor deposition without any metallic catalyst. One leaf-like nanostructure is formed by six comb-like nanostructures, which are gathered at the bottom edge of each comb-like nanostructure. Every comb-like nanostructure consists of a wide, long microbelt. The growth of the comb-like ZnO nanostructure includes nucleation, growth of the microbelt, and growth of the nanobelt array.

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