Abstract
Well-aligned ZnO nanorod arrays were prepared on FTO substrate by hydrothermal method at low temperature for 5 h.The effect of ammonia on the length of ZnO nanorod was studied in detail.The resulting materials were extensively characterized by scanning electron microscopy (SEM),X-ray diffraction (XRD) and UV-visible absorption spectra (scatter mode).With the increase of ammonia,the length of ZnO nanorod increases.
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