Low temperature LPG sensing properties of wet chemically grown zinc oxide nanoparticle thin film

Low temperature LPG sensing properties of wet chemically grown zinc oxide nanoparticle thin film

Zinc oxide (ZnO) thin-films were grown on glass substrates by using simple wet chemical approach and then the films were annealed at 450 °C in air atmosphere for 2 h. The scanning electron microscopy images could confirm the uniform deposition and formation of cabbage leaf-like ZnO nanostructures. T...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Vol. 146; no. 1; pp. 69 - 74
Main Authors: Ghosh, Arindam, Sharma, Ramphal, Ghule, Anil, Taur, Vidya S., Joshi, Rajesh A., Desale, Dipalee J., Gudage, Yuvraj G., Jadhav, K.M., Han, Sung-Hwan
Format: Journal Article
Language:English
Published: Elsevier B.V 08-04-2010
Subjects:
Annealing
Chemical synthesis
LPG
LPG sensing
Nanocomposites
Nanomaterials
Nanostructure
Nanostructured zinc oxide
Optical properties
Sensors
Structural properties
Zinc oxide
Chemical synthesis
LPG sensing
Nanostructured zinc oxide
Optical properties
Structural properties
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Summary:Zinc oxide (ZnO) thin-films were grown on glass substrates by using simple wet chemical approach and then the films were annealed at 450 °C in air atmosphere for 2 h. The scanning electron microscopy images could confirm the uniform deposition and formation of cabbage leaf-like ZnO nanostructures. The optical band gap was found to be 3.14 eV for annealed films. The sensor showed higher sensitivity towards liquid petroleum gas (LPG) at optimized temperature of 200 °C. The response and recovery times with 200 ppm of LPG were found to be ∼6 and ∼ 8 s, respectively.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2010.01.044