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Characterization of Ga-doped ZnO Nanorods Synthesized via Microemulsion Method

Title
Characterization of Ga-doped ZnO Nanorods Synthesized via Microemulsion Method
Authors
Lim, Sang KyooHong, Seong HuiHwang, Sung-HoKim, SoonhyunPark, Hyunwoong
DGIST Authors
Lim, Sang KyooHwang, Sung-HoKim, Soonhyun
Issue Date
2013-01
Citation
Journal of Materials Science and Technology, 29(1), 39-43
Type
Article
Article Type
Article
Keywords
Defect LevelsGa-Doped ZnOGalliumHigh Resolution Transmission Electron MicroscopyMicro-EmulsionMicro-Emulsion MethodMicroemulsionsNanorodNanorodsPhotoelectronsRoom-Temperature PhotoluminescenceScanning Electron MicroscopySEM ObservationSodiumSodium Benzene SulfonatesSodium Lauryl SulfatesSurface Active AgentsSurfactantsX Ray DiffractionX Ray Photoelectron SpectroscopyZinc OxideZnOZnO Nanorod
ISSN
1005-0302
Abstract
Gallium-doped ZnO (GZO) nanorods were synthesized by microemulsion method with different types of surfactants. The phase and morphology of the above nanorods were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM) and X-ray photoelectron spectroscopy (XPS). SEM observations show that the ZnO nanorods have diameters around 70-200 nm and lengths up to several micrometers. The room temperature photoluminescence (PL) spectrum of GZO nanorods exhibited a sharp and strong ultraviolet bandgap at 383 nm and a relatively weaker emission associated with the defect level. Resistivity of GZO nanorods synthesized with sodium lauryl sulfate (SLS) and sodium benzene sulfonate (SBS) surfactants showed 2.84 Ω m and 14.2 Ω m, respectively. © 2013.
URI
http://hdl.handle.net/20.500.11750/5328
DOI
10.1016/j.jmst.2012.11.005
Publisher
Elsevier B.V.
Related Researcher
Files:
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Collection:
Smart Textile Convergence Research Group1. Journal Articles


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