共 21 条
PHOTOCATALYTIC PROPERTIES OF Cr DOPED TiO2-SiO2 NANOSTRUCTURE THIN FILM
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作者:

Eshaghi, Akbar
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机构:
Maleke Ashtar Univ Technol, Fac Mat Sci & Engn, Shahinshahr, Isfahan, Iran Maleke Ashtar Univ Technol, Fac Mat Sci & Engn, Shahinshahr, Isfahan, Iran

Eshaghi, Ameneh
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h-index: 0
机构:
Islamic Azad Univ, Sari Branch, Sari, Iran Maleke Ashtar Univ Technol, Fac Mat Sci & Engn, Shahinshahr, Isfahan, Iran
机构:
[1] Maleke Ashtar Univ Technol, Fac Mat Sci & Engn, Shahinshahr, Isfahan, Iran
[2] Islamic Azad Univ, Sari Branch, Sari, Iran
关键词:
Sol-gel;
Thin film;
TiO2;
doping;
Photocatalysis;
SUPER-HYDROPHILIC PROPERTY;
TIO2;
NANOPARTICLES;
D O I:
暂无
中图分类号:
TQ174 [陶瓷工业];
TB3 [工程材料学];
学科分类号:
0805 ;
080502 ;
摘要:
Cr doped TiO2-SiO2 nanostructure thin film on glass substrates was prepared by a so/-gel dip coating method. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and UV-vis spectrophotometer were used to characterize the structural, chemical and optical properties of the thin film. The XRD showed that thin films contain only anatase phase. FE-SEM images illustrated that anatase average crystallite size in the pure TiO2 and Cr doped TiO2-SiO2 thin films are 15 nm and 10 nm, respectively. XPS spectra confirmed the presence of Cr3+ in the thin film. UV-vis absorption spectra indicated that absorption edge in Cr doped TiO2-SiO2 thin film shifted to the visible light region. The photocatalytic results pointed that Cr doping in TiO2-SiO2 improved decoloring rate of methyl orange in comparison to pure TiO2 thin film.
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页码:135 / 138
页数:4
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