Nanostructured metal oxides have been the subject of great attention in the field of nanotechnology both from a fundamental and industrial point of view. For example, their peculiar electrical properties make them suitable as active sensing materials in resistive sensors, with enhanced performance with respect to bulk materials. Pure ZnO is an n-type semiconductor with a wide bandgap (3.37 eV) and it is one of the most promising materials due to its use in a wide range applications in various fields, including short wavelength light-emitting diode and room temperature ultraviolet (UV) lasing diode, solar cell, UV-absorber, transparent conductor, gas sensor, etc.. ZnO nanostructures, such as nanowires, nanobelts, nanoflowers and other special nanostructures have been successfully synthesized using various approaches. In this study, we synthesized rod and plate-like ZnO by solvothermal process with precursors such as zinc chloride and zinc acetate dihydrate. The gas sensing properties of the ZnO based sensors to carbon monoxide (CO) in air were analyzed. FE-SEM images of synthesized ZnO with different different precursors: (a) ZnCl2, (b) Zn(Ac)2

Synthesis and gas sensing properties of zinc oxide nanorod and nanoplate

243rd National Meeting (2012)

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