Direct Synthesis of Tungsten Oxide Nanowires on Microscope Cover Glass |
| Journal |
Advances in Science and Technology (Volume 51) |
| Volume |
Disclosing Materials at the Nanoscale |
| Edited by |
P. VINCENZINI and G. MARLETTA |
| Pages |
1-6 |
| DOI |
10.4028/www.scientific.net/AST.51.1 |
| Online since |
October, 2006 |
| Authors |
F.C. Cheong,
Y.W. Zhu,
B. Varghese,
Chwee Teck Lim,
C.H. Sow
|
| Keywords |
Nanowire, Thermal Annealing, Tungsten Oxide |
| Abstract |
A simple technique to synthesis crystalline Tungsten Oxide nanowires is presented. Using
a standard thermal hotplate, a pure 99.9% tungsten foil is annealed to 484 ± 5 oC under ambient
condition to generate vapor deposition of the heated materials on a piece of 150μm thick glass cover
slide pressing on the tungsten foil. Tungsten oxide nanowires are found to deposit on the cover slide
facing the heated tungsten foil. These tungsten oxide nanowires were characterized with SEM, TEM,
EDX, micro-Raman and XRD. The crystalline nanowires were found to be straight and clean with a
diameter of 10-300nm and a length of a few tens of micrometers. |
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