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Cho, Seungho
Metal Oxide DEsign Laboratory (MODEL)
Research Interests
  • Metal Oxide Crystal Growth

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A Method for Modifying the Crystalline Nature and Texture of ZnO Nanostructure Surfaces

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Title
A Method for Modifying the Crystalline Nature and Texture of ZnO Nanostructure Surfaces
Other Titles
A Method for Modifying the Crystalline Nature and Texture of ZnO Nanostructure Surfaces
Author
Cho, SeunghoJang, Ji-WookLee, Sung-HyunLee, Jae SungLee, Kun-Hong
Issue Date
2011-12
Publisher
AMER CHEMICAL SOC
Citation
CRYSTAL GROWTH & DESIGN, v.11, no.12, pp.5615 - 5620
Abstract
We report a post-treatment method for modifying the crystalline nature and texture of ZnO nanostructure surfaces. Single crystalline ZnO structures were transformed using a solution-based reaction in an aqueous sodium selenite and hydrazine solution into single crystalline ZnO/polycrystalline ZnSe (core/shell) heterostructures (as an intermediate material), which were then used to texture the surfaces of ZnO nanostructures. The ZnO/ZnSe nanostructures were calcined to obtain pure ZnO nanostructures with a variety of surface crystalline natures and textures under controlled calcination conditions. Single crystalline ZnO core/polycrystalline ZnO shell nanostructures, single crystalline ZnO with wavy surfaces/ZnO nanoparticles, or single crystalline ZnO nanostructures with wavy surfaces were obtained by calcination at 550, 700, or 800 C, respectively. The experimental results suggest a possible mechanism by which the surface of the ZnO nanostructures was modified. This method potentially may be extended to any single crystalline ZnO nanostructures
URI
https://scholarworks.unist.ac.kr/handle/201301/13071
URL
http://pubs.acs.org/doi/abs/10.1021/cg201176s
DOI
10.1021/cg201176s
ISSN
1528-7483
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