Journal of the Korean Physical Society

, Volume 67, Issue 9, pp 1588–1591 | Cite as

Modulating the shape of ZnO nanostructures grown by using thermal chemical-vapor deposition

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Abstract

We modulated the shape of ZnO nanostructures as nanowires, nanospears, nanowalls, and nanorods by varying the distance between the reactant and the substrate during thermal chemicalvapor deposition. Photoluminescence (PL) data show that the optical quality measured by using the PL intensity ratio of band-edge emission to yellow emission is relatively higher under the synthesis condition of nanowalls. The formation characteristics of the ZnO nanostructures are explained by using an analytical model. The model entails a change in the growth mechanism of the ZnO nanostructures caused by a difference in the Zn concentration.

Keywords

ZnO nanostructure Thermal CVD Shape control 
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Copyright information

© The Korean Physical Society 2015

Authors and Affiliations

  • Jaesu Kim
    • 1
  • Yong Hwan Kim
    • 1
  • Hye Min Oh
    • 1
  • Hyun Jeong
    • 1
  • Seong Chu Lim
    • 1
  • Mun Seok Jeong
    • 1
  • Hong Seok Lee
    • 2
  1. 1.Department of Energy ScienceSungkyunkwan UniversitySuwonKorea
  2. 2.Department of Physics, Research Institute of Physics and ChemistryChonbuk National UniversityJeonjuKorea

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