Abstract
We report the effect of growth temperature on the characteristics of Zinc oxide (ZnO) nanorods (NRs) synthesized by using a hydrothermal process. As the temperature was increased in the range of 70 − 200 °C, the diameter of the ZnO NRs varied from 20 to 45 nm, which might be associated with the fusing process. The samples grown at temperatures greater than 150 °C exhibited tower-like tips originating from repeated secondary anisotropic growth to minimize the surface energy by eliminating the polar (002) planes. We also observed that a secondary anisotropic growth occurred simultaneously, with no disturbance of the atomic arrangement, and that the diameters of the tower-like NRs converged to approximately 20 nm.
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Kim, J.H., Lee, M.S. & Kang, H.C. Tower-like ZnO nanorods synthesized by using a hydrothermal process. Journal of the Korean Physical Society 66, 229–233 (2015). https://doi.org/10.3938/jkps.66.229
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DOI: https://doi.org/10.3938/jkps.66.229