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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1112The Methanol Response Sensing Properties Using...

The Methanol Response Sensing Properties Using MWCNT-ZnO Composite

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Abstract:

Nano composite MWCNT-ZnO thin films have been synthesized to investigate their methanol sensing properties. MWCNTs have a large surface area, many adsorption site, are sensitive to their chemical environmental, and can be operated at room temperature. While zinc oxide was popular as gas sensor because its easy to fabricate, fast response, easy to control their morphology, and has unique properties depend on their size and shape. In this study, combination of MWCNT and ZnO were made to get their advantages. These nano composites were prepared with weight percent ratio 63:37. MWCNT-ZnO were synthesized by reflux method at 197°C in ethylene glycol. Heat treatment at 300°C were done to obtain powder of nano composite. X-ray diffraction (XRD) and scanning electron microscope were used to investigate the crystal phase and morphology of nano composite. Sensing behavior was investigated at 100°C to 300°C. The best response of 200 ppm methanol occurred at 300°C.

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Periodical:

Advanced Materials Research (Volume 1112)

Pages:

116-119

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1112.116

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Online since:

July 2015

Authors:

Ni Luh Wulan Septiani*, Brian Yuliarto, Muhammad Iqbal, Suyatman Suyatman, Ahmad Nuruddin, Nugraha Nugraha

Keywords:

Methanol Sensing, MWCNT-ZnO Nanocomposite, Reflux Method, Sensitivity

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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