Synthesis of Zno Nanorods by Hydrothermal Method for Gas Sensor Applications

ZnO nanorods with different sizes and shapes have been successfully synthesized via a simple hydrothermal route, using zinc acetate and Cetyltriammonium bromide (CTAB) as the reactants. The thick films of as prepared ZnO were prepared by screen-printing technique in desired pattern. The films are ch...

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Bibliographic Details
Published in:International journal on smart sensing and intelligent systems 2012-01, Vol.5 (1), p.57-70
Main Authors: Shinde, Sarika D., Patil, G. E., Kajale, D. D., Ahire, D. V., Gaikwad, V. B., Jain, G. H.
Format: Article
Language:English
Subjects:
Ammonia
Cetyltrimethylammonium bromide
CTAB
Diffraction patterns
Electron microscopes
Electron microscopy
Ethanol
gas response
Gas sensors
Gases
Hydrogen sulfide
Hydrothermal
Microscopy
Nanorods
Operating temperature
Room temperature
S gas sensor
Screen printing
Selectivity
Sensitivity
Sensors
Thick films
Zinc acetate
Zinc oxide
ZnO nanorods
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Summary:ZnO nanorods with different sizes and shapes have been successfully synthesized via a simple hydrothermal route, using zinc acetate and Cetyltriammonium bromide (CTAB) as the reactants. The thick films of as prepared ZnO were prepared by screen-printing technique in desired pattern. The films 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 for various interfering gases such as CO , CO, Ethanol, NH and H S etc at operating temperature from 30° (room temperature) to 300°C. The results indicate that the ZnO nanorod thick films showed much better sensitivity and stability than the conventional materials to H S gas at 30°C. The nanoshaped pillar can improve the sensitivity and selectivity of the sensors. ZnO nanorods are excellent potential candidates for gas sensors.
ISSN:1178-5608
1178-5608
DOI:10.21307/ijssis-2017-470