Synthesis and study of the SnO2 nanowires growth

Ming Ru Yang; Sheng Yuan Chu; Ren Chuan Chang

doi:10.1016/j.snb.2006.05.034

Synthesis and study of the SnO₂ nanowires growth

Ming Ru Yang, Sheng Yuan Chu, Ren Chuan Chang

Research output: Contribution to journal › Article

61 Citations (Scopus)

Abstract

In this study, tin dioxide (SnO₂) nanowires were synthesized on a silicon substrate (1 1 1) using a direct gas reaction route on a large scale at 800 °C. These SnO₂ nanowires were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Raman-scattering spectroscopy. XRD, SEM and TEM indicated that the products were tetragonal SnO₂ nanowires with lattice parameters of a = 4.73 Å and c = 3.17 Å. Three vibration modes were observed at 478, 634, and 776 cm^-1 in the Raman spectra of the samples. Complex impedance analysis of SnO₂ nanowires well fitted with a simple RC electrical model. According to the current-voltage (I-V) measurements, it was found that the SnO₂ nanowires were a good sensing for detecting carbon monoxide. The response to 500 ppm CO of the SnO₂ nanowires reached 60%.

Original language	English
Pages (from-to)	269-273
Number of pages	5
Journal	Sensors and Actuators, B: Chemical
Volume	122
Issue number	1
DOIs	https://doi.org/10.1016/j.snb.2006.05.034
Publication status	Published - 2007 Mar 8

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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title = "Synthesis and study of the SnO2 nanowires growth",

abstract = "In this study, tin dioxide (SnO2) nanowires were synthesized on a silicon substrate (1 1 1) using a direct gas reaction route on a large scale at 800 °C. These SnO2 nanowires were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Raman-scattering spectroscopy. XRD, SEM and TEM indicated that the products were tetragonal SnO2 nanowires with lattice parameters of a = 4.73 {\AA} and c = 3.17 {\AA}. Three vibration modes were observed at 478, 634, and 776 cm-1 in the Raman spectra of the samples. Complex impedance analysis of SnO2 nanowires well fitted with a simple RC electrical model. According to the current-voltage (I-V) measurements, it was found that the SnO2 nanowires were a good sensing for detecting carbon monoxide. The response to 500 ppm CO of the SnO2 nanowires reached 60%.",

author = "Yang, {Ming Ru} and Chu, {Sheng Yuan} and Chang, {Ren Chuan}",

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