期刊
NANOMATERIALS
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/nano10112107
关键词
Fe3+ doping; MO degradation; TiO2 nanotubes; visible photocatalysis
类别
资金
- International Science and Technology Innovation Cooperation between Governments Project of National Key Research and Development Program [2018YFE0199200]
- government of China [CB02-19]
- National R&D Program of China [2017YFA0207400]
- Natural Science Basic Research Plan in Shaanxi Province of China [2017JM5022]
- Open Fund of Shaanxi Province Key Laboratory of Thin Films Technology and Optical Test [ZSKJ201706]
- Key Industry Innovation Chain Project of Shaanxi Provincial Science and the Technology Department [2018ZDCXL-GY-08-02-01]
- Xi'an Key Laboratory of Intelligent Detection and Perception [201805061ZD12CG45]
- government of Belarus [CB02-19]
In this paper, the Fe3+ doped rutile phase TiO2 nanotubes arrays (NTAs) were prepared in a low temperature water-assistant crystallization method. It is noteworthy that the Fe3+ doping hardly hinders either the crystallization of rutile TiO2 NTAs or the highly-ordered nanotubular morphologies. Moreover, Fe3+ did not form other compound impurities, which indicated that Fe3+ substitute Ti4+ into the lattice of TiO2. With the introduction of Fe3+, the light absorption range of TiO2 NTAs extends from the ultraviolet band to the visible light range. Photocatalytic testing results indicate that Fe3+ doped TiO2 NTAs can effectively improve the degradation rate of methyl orange aqueous solution in visible light, and the TiO2 NTAs with 0.2 mol/L Fe3+ doping exhibits the highest photocatalytic degradation efficiency.
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