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Effect of Annealing Temperature on ZnO Nanorods Prepared by Hydrothermal Process
Abstract:
We presented the effect of annealing temperature on nanocrystallite growth toward zinc oxide (ZnO) nanorods based on the hydrothermal process. The hydrothermal growths of the ZnO nanorods were prepared with zinc nitrate hexahydrate and hexamethylenetetramine solution at 90°C for 6 hours. The structural, morphological, optical, and anti-bacterial properties of the ZnO nanorods, prepared at different annealing temperatures, were characterized by grazing-incidence X-ray diffraction (GIXRD), field-emission scanning electron microscopy (FE-SEM), and UV-Vis spectrophotometer. The GIXRD patterns of the ZnO nanorods corresponded to the wurtzite structure. The FE-SEM results showed that the prepared ZnO nanorods were in the form of the hexagonal shape. The anti-bacterial behaviors of suspension of ZnO nanorods against Escherichia coli (gram-negative) would be discussed in this paper.
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Pages:
204-207
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Online since:
June 2014
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