Abstract
In this paper, a facile hydrothermal method has been developed for preparation of micro/nano structures of ZnS microspheres and ZnO microrods. The morphologies and crystalline structures were confirmed by scanning electron microscopy (SEM) and X-ray diffraction spectrum (XRD). In the co-existence of cysteine and hexamethylenetetramine (HMTA), we observed the competitive growth of ZnS and ZnO microstructures, and found that higher temperature was benefited for the formation of ZnS structures. This method may be applied for synthesis of other metal compound micro-nano structures with other metal ions. ZnS and ZnO semiconductor nanostructures as often-used photo-catalyst, we also compared their catalytical activity toward to the photo-degradation of methylene blue.
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