Hydrothermal synthesis and gas sensing characters of ZnO nanorods |
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| Affiliation: | 1. College of Materials and Chemical Engineering, Zhengzhou University of Light Industry, He’nan, Zhengzhou 450002, PR China;2. Institute of Materials, Shanghai University, Shanghai 200072, PR China;3. Department of Macromolecular Science and the Key Laboratory Molecular Engineering of Polymers, Fudan University, Shanghai 200433, PR China;1. Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;2. Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;3. Department of Physics, College of Education, Al-Qadisiyah University, Al Diwaniyah, Al-Qadisiyah, Iraq;4. Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;5. Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;6. School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia;7. Department of Chemistry, College of Science for Women, Baghdad University, Baghdad, Iraq;1. Department of Physics, SSN College of Engineering, Kalavakkam 603110, India;2. SSN Research Center, SSN College of Engineering, Kalavakkam 603110, India;3. Surface and Nanoscience Division, Indira Gandhi Center for Atomic Research, Kalpakkam 603102, India;1. Department of Physics, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia;2. Lithography in Devices Fabrication and Development Research Group, Deanship of Scientific Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia;3. Department of Chemistry, Faculty of Science and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;4. Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia;5. Department of Materials Science, University of Patras, Greece;6. PG Department of Chemistry, JCDAV College, Dasuya 144205, Punjab, India;1. Department of Metallurgical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad (FUM) Campus, Azadi Sq., Mashhad, Khorasan Razavi, Iran;2. Department of Material Science and Metallurgy, Amirkabir University of Technology, Tehran, Iran |
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| Abstract: | ZnO nanorods are prepared by a hydrothermal process with cetyltrimethylammonium bromide (CTAB) and zinc powder at 182 °C. The samples are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The gas sensing properties of the materials have been investigated. The results indicate that the as-prepared ZnO nanorods show much better sensitivity and stability than the conventional materials. The PdO doping can improve the sensitivity and selectivity of the sensors. ZnO nanorods are excellent potential candidates for gas sensors. |
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