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Three kinds of tetrapod-like ZnO nanostructures have been synthesized simultaneously in different regions of the same preparation apparatus by rapid heating zinc powder, in which two kinds of novel tetrapod-like ZnO nanocrystals with hexagonal needled arms and pyramid tip arms were first reported. High-resolution SEM and TEM measurements show that the arms of the tetrapod-like ZnO nanocrystals with...
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