Influence of Annealing on Fe-Doped TiO2 Powders Using Co-precipitation Technique

被引：8
|
作者：
Gareso, P. L. [1 ]
Sampe, Natalia [1 ]
Palentek, Valenriansi [1 ]
Taba, Paulina [2 ]
机构：
[1] Hasanuddin Univ, Fac Math & Nat Sci, Dept Phys, JL Perintis Kemerdekaan KM 10, Makassar 90245, Indonesia
[2] Hasanuddin Univ, Fac Math & Nat Sci, Dept Chem, JL Perintis Kemerdekaan KM 10, Makassar 90245, Indonesia
来源：
6TH INTERNATIONAL CONFERENCE ON THEORETICAL AND APPLIED PHYSICS (ICTAP) | 2017年 / 1801卷
关键词：
CATALYSTS; ANATASE; WATER; IRON;
D O I：
10.1063/1.4973080
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The influence of thermal annealing to TiO2 nanopowders doped with Fe atoms was investigated using co-precipitation method. Fe-doped TiO2 nanopowders were prepared using a cold titanium tetrachloride ( TiCl4) and FeCl3. The samples were annealed at various temperatures from 200 degrees C to 500 degrees C during 60 minutes. Based on the X-Ray Diffraction results showed that the grain size of Fe: TiO2 nanopowders increased as annealing temperature was increased. This was due to the reducing of FWHM values in the X-RD spectra. FTIR results showed that the spectra were observed at 3417 cm(-1), 2358 cm(-1), 1645 cm(-1), and 518 cm(-1) indicating the bond functional groups of O-H bond, C-O bond, O-H bond, and Fe-O bond, respectively. The agglomeration of Fe: TiO2 nanopowders into a large cluster were observed with scanning electron microscopy (SEM) when the samples were annealed at 500 degrees C.
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页数：5
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