Zhou, Wuyi and Zhou, Yi and Tang, Shaoqiu (2005) Formation of TiO2 nano-fiber doped with Gd3+ and its photocatalytic activity. Materials Letters, 59 (24-25). 3115 - 3118.
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Titanium dioxide (TiO2) nano-fibers doped with Gd3+ were synthesized by two-step synthesis method. The formed fibers were visualized from transmission electron microscopy (TEM) and X-ray diffraction (XRD). The results showed that the average diameter of the TiO2 nano-fibers was 60–80 nm and the length of fibers was in the range of 6–7 μm. The TiO2 nano-fibers doped with Gd3+ heat treated in glycerol solvent had smaller crystal size than those without heat treatment. However, the size of TiO2 nano-fibers decreased with increasing the heating temperature. The results obtained in the photocatalytic degradation of methyl orange indicated that the photocatalytic activity of the TiO2 nano-fibers doped with Gd3+ appeared a little reduction relative to that of TiO2 nanopowders.
|Uncontrolled Keywords:||Two-step synthesis method; TiO2 nano-fibers; Photocatalytic activity|
|Subjects:||Material Science > Nanofabrication processes and tools|
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Deposited On:||30 Sep 2009 17:41|
|Last Modified:||30 Sep 2009 17:41|
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