Studies on the Preparation and Gas Sensing Properties of SnO2 Nanostructures at Room Temperature

Abstract:

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The SnO2 nanostructures have been synthesized by carbon-assisted growth at 800 oC for 3 hours. Using high pure tin powder as the source materials. The synthesized products were investigated by stereo microscope, X-rays diffraction (XRD) and scanning electron microscopy (SEM). XRD patterns show that the prepared products are tetragonal-structures with the lattice constant a = 0.4718 nm and c = 0.3187 nm. SEM images indicate that SnO2 nanowires are about tens of micrometers in length, 80-100 nm in width. The diameter of SnO2 nanoparticles vary from 10 nm to 100 nm. The synthesized products are high sensitivity and fast response time to ethanol gas at room temperature.

Info:

Periodical:

Advanced Materials Research (Volumes 93-94)

Edited by:

S. Suttiruengwong and W. Sricharussin

Pages:

227-230

DOI:

10.4028/www.scientific.net/AMR.93-94.227

Citation:

K. Noipa and S. Pukird, "Studies on the Preparation and Gas Sensing Properties of SnO2 Nanostructures at Room Temperature", Advanced Materials Research, Vols. 93-94, pp. 227-230, 2010

Online since:

January 2010

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$35.00

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