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Characterization of Ga-doped ZnO Nanorods Synthesized via Microemulsion Method 被引量:1
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作者 Sang Kyoo Lim Seong Hui Hong +2 位作者 Sung-Ho Hwang Soonhyun Kim Hyunwoong Park 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2013年第1期39-43,共5页
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)... 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. 展开更多
关键词 Zinc oxide Nanorod MICROEMULSION GALLIUM SURFACTANTS
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Synthesis of Al-doped ZnO Nanorods via Microemulsion Method and Their Application as a CO Gas Sensor 被引量:1
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作者 Sang Kyoo Lim Seong Hui Hong +4 位作者 Sung-Ho Hwang Won Mi Choi Soonhyun Kim Hyunwoong Park Min Gi Jeong 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2015年第6期639-644,共6页
Aluminum doped ZnO(AZO) nanorods were synthesized by microemulsion method with different types of surfactants.The phase and the morphology of the above nanorods were investigated by scanning electron microscopy(SEM) a... Aluminum doped ZnO(AZO) nanorods were synthesized by microemulsion method with different types of surfactants.The phase and the morphology of the above nanorods were investigated by scanning electron microscopy(SEM) and X-ray diffraction(XRD).SEM observations showed that the ZnO nanorods had diameters around about 50—200 nm and lengths up to several micrometers.The CO gas sensing properties of the AZO nanorods were tested at operating temperatures of 200,300,350 and 400 ℃.It was found that AZO nanorods based sensor exhibited the highest sensitivity to CO at 350℃. 展开更多
关键词 Zinc oxide Nanorod MICROEMULSION ALUMINUM CO and g
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