Synthesis and Characterization of SnO₂ Nanowires Materials Prepared from Tin Powder

Abstract:

Tin dioxide (SnO2) materials are prepared by using vapor transport techniques through a vapor-liquid-solid (VLS) mechanism from Tin (Sn) powder. The SnO2 materials are synthesized onto the silicon substrate at temperatures 850 0C. Crystalline structure of SnO2 nanowires was investigated by X-ray diffraction (XRD) spectroscopy. XRD patterns of SnO2 exhibited tetragonal rutile structure with lattice parameters of a = 4.73 oA and c = 3.18 oA. Surface morphology of SnO2 films was characterized by scanning electron microscope (SEM), that SEM micrographs indicate nanowires-like structure. The Raman spectra of single-crystalline rutile SnO2 nanowires were studied, three vibration modes were observed at 475, 635 and 775 cm-1 corresponded to the typical feature of the SnO2 nanowires. A room temperature photoluminescence (PL) spectrum of SnO2 nanowires were in visible emission range.

• Periodical: Advanced Materials Research (Volumes 93-94)
• Pages: 421-424
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.93-94.421
• Online since: January 2010
• Authors: P. Inchidjuy, Ki Seok An, Supakorn Pukird
• Keywords: Photoluminescence (PL), Raman Spectra, Scanning Electron Microscope (SEM), TiN Dioxide, Vapor-Liquid-Solid (VLS)

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