Effects of thermal annealing temperature and duration on hydrothermally grown ZnO nanorod arrays

In this study, the effects of thermal annealing temperature and duration on ZnO nanorod arrays fabricated by hydrothermal method were investigated. The annealed ZnO/Si(1 1 1) substrate was used for ZnO nanorod array growth. The effects of annealing treatment on the structural and optical properties...

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Bibliographic Details
Published in:Applied surface science 2009-03, Vol.255 (11), p.5861-5865
Main Authors: Zhao, X.Q., Kim, C.R., Lee, J.Y., Shin, C.M., Heo, J.H., Leem, J.Y., Ryu, H., Chang, J.H., Lee, H.C., Son, C.S., Shin, B.C., Lee, W.J., Jung, W.G., Tan, S.T., Zhao, J.L., Sun, X.W.
Format: Article
Language:English
Subjects:
Annealing treatment
Clusters, nanoparticles, and nanocrystalline materials
Cold working, work hardening
annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
Cold working, work hardening
annealing, quenching, tempering, recovery, and recrystallization
textures
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Hydrothermal synthesis
Ii-vi semiconductors
Materials science
Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Optical properties of nanoscale materials and structures
Photoluminescence
Physics
Structure of solids and liquids
crystallography
Treatment of materials and its effects on microstructure and properties
ZnO
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Summary:In this study, the effects of thermal annealing temperature and duration on ZnO nanorod arrays fabricated by hydrothermal method were investigated. The annealed ZnO/Si(1 1 1) substrate was used for ZnO nanorod array growth. The effects of annealing treatment on the structural and optical properties were investigated by scanning electron microscopy, X-ray diffraction, and room-temperature photoluminescence measurements. With the annealing temperature of 750 °C and the annealing duration of 10 min, both the structural and optical properties of the ZnO nanorod arrays improved significantly, as indicated in the X-ray diffraction and photoluminescence measurement.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2009.01.022