Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 157, Issue 1-3, Pages 101-104Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2008.12.035
Keywords
Tin oxide; Nanowires; Nanoneedles; Hydrothermal synthesis
Funding
- Apollo Technologies, Inc
- Florida High Tech Corridor Research Program
- NSF MRI [DMR-0421253]
- Moldovan Research and Development Association (MRDA) [MTFP-1014B]
- U.S. Civilian Research & Development Foundation (CRDF)
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Tin oxide (SnO2) nanowires with rutile structure have been synthesized by a facile hydrothermal method at 98 degrees C. The morphologies and structural properties of the as-grown nanowires/nanoneedles were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected area electron diffraction, X-ray diffraction and Raman spectroscopy. The SEM images reveal tetragonal nanowires of about 10-100 mu m in length and 50-100 nm in radius. The Raman scattering peaks indicate a typical rutile phase of the SnO2. The effects of molar ratio of SnCl4 to NH4OH on the growth mechanism are discussed. (C) 2009 Elsevier B.V. All rights reserved.
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