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Synthesis of Al-doped ZnO Nanorods via Microemulsion Method and Their Application as a CO Gas Sensor
- Synthesis of Al-doped ZnO Nanorods via Microemulsion Method and Their Application as a CO Gas Sensor
- Lim, Sang Kyoo; Hong, Seong Hui; Hwang, Sung-Ho; Choi, Won Mi; Kim, Soonhyun; Park, Hyunwoong; Jeong, Min Gi
- DGIST Authors
- Lim, Sang Kyoo; Hwang, Sung-Ho; Kim, Soonhyun
- Issue Date
- Journal of Materials Science and Technology, 31(6), 639-644
- Article Type
- Al-Doped ZnO; Aluminum; Aluminum-Doped ZnO; Co and Gas Sensor; Co Gas Sensor; Gas Detectors; Gas Sensing Electrodes; Gas Sensing Properties; Micro-Emulsion; Micro-Emulsion Methods; Microemulsions; Nanorod; Nanorods; Operating Temperature; Scanning Electron Microscopy; SEM Observation; X Ray Diffraction; Zinc Oxide; ZnO Nanorod
- 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 50-200nm 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°C. It was found that AZO nanorods based sensor exhibited the highest sensitivity to CO at 350°C. © 2015 .
- Chinese Society of Metals
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