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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 3: 403 - 406

DOI: https://doi.org/10.3724/SP.J.1077.2007.00403

Research Paper

Hydrothermal Synthesis of ZnO Nanorod Arrays and Their Morphology Control

  • LI Bi-Hui ,
  • TANG Yi-Wen ,
  • ZHANG Xin ,
  • JIANG Yun ,
  • LUO Li-Juan ,
  • JIA Zhi-Yong
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  • College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China

Received date: 2006-06-28

  Revised date: 2006-09-11

  Online published: 2007-05-20

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Abstract

By using the hydrothermal method, the ZnO nanorod arrays with different morphologies were synthesized on ZnO nanoparticle-coated transparent conductivity glasses (TCO) at low temperatures by controlling the pH value of precursory solutions. The ZnO nanorod arrays were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), high-resolution transmission electron microscope (HRTEM) and ultraviolet-visible spectrophotometer (UV-Vis). Furthermore, the mechanism was primary discussed. The results show that the ZnO nanorod is a single crystal and it grows along c axis. When the pH value is about 10.5, the array is well-aligned and the diameter of the nanorod is uniform. Optical characterization shows that the optical transmittance of the film is higher than 80% in the visible wavelength and its band gap is about 3.25eV.

Key words： hydrothermal; ZnO array; pH value; morphology

Cite this article

LI Bi-Hui , TANG Yi-Wen , ZHANG Xin , JIANG Yun , LUO Li-Juan , JIA Zhi-Yong . Hydrothermal Synthesis of ZnO Nanorod Arrays and Their Morphology Control[J]. Journal of Inorganic Materials, 2007 , 22(3) : 403 -406 . DOI: 10.3724/SP.J.1077.2007.00403

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