New Two-Step Preparation and Characterization of Submicron ZnO Rods Arrays

Abstract:

Submicron rod-like ZnO was prepared by hydrothermal synthesis on the Si substrate which was prepared with ZnO seed layer by ultrasonic spray pyrolysis. The X-ray diffraction (XRD) pattern indicates that the as-grown ZnO is elongated uniformly along the c-axis and is hexagonal wurtzite structured; the scanning electron microscopy (SEM) results show that the diameter of the as-grown ZnO is 288nm and the uniform height is 3.78μm, so the aspect ratio is about 13; the atomic force microscope (AFM) results show that the fluctuation of the sample’s surface is even; the photo-luminescence(PL) spectra demonstrated that the sample has a single emission at 388nm, indicated the nanostructure has little dot defects.

• Periodical: Advanced Materials Research (Volume 684)
• Pages: 32-36
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.684.32
• Online since: April 2013
• Authors: Ru Xi Liu, Zhong Zhang, Jin Zhao Huang
• Keywords: Characterization, Hydrothermal Synthesis, Rods-Like ZnO Arrays

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