Synthesis of ZnO Nanostructures for Low Temperature CO and UV Sensing
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2012
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Abstract
In this paper, synthesis and results of the low temperature sensing of carbon monoxide (CO) gas and room temperature UV sensors using one dimensional (1-D) ZnO nanostructures are presented. Comb-like structures, belts and rods, and needle-shaped nanobelts were synthesized by varying synthesis temperature using a vapor transport method. Needle-like ZnO nanobelts are unique as, according to our knowledge, there is no evidence of such morphology in previous literature. The structural, morphological and optical characterization was carried out using X-ray diffraction, scanning electron microscopy and diffused reflectance spectroscopy techniques. It was observed that the sensing response of comb-like structures for UV light was greater as compared to the other grown structures. Comb-like structure based gas sensors successfully detect CO at 75 °C while other structures did not show any response.| Reference Key |
amin2012sensorssynthesis
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| Authors | Muhammad Amin;Umair Manzoor;Mohammad Islam;Arshad Saleem Bhatti;Nazar Abbas Shah;Amin, Muhammad;Manzoor, Umair;Islam, Mohammad;Bhatti, Arshad Saleem;Shah, Nazar Abbas; |
| Journal | sensors |
| Year | 2012 |
| DOI | 10.3390/s121013842 |
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