Visible light-degradation of azo dye methyl orange using TiO2/β-FeOOH as a heterogeneous photo-Fenton-like catalyst

In this study, a novel TiO2/β-FeOOH composite photocatalyst was synthesized by a hydrothermal method. X-ray diffraction, Fourier transform infrared spectrum, UV-vis diffuse reflectance spectra and scanning electron microscopy (SEM) were used to characterize the composite photocatalyst. The photocata...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 68(2013), 10 vom: 28., Seite 2178-85
1. Verfasser: Xu, Zhihui (VerfasserIn)
Weitere Verfasser: Zhang, Ming, Wu, Jingyu, Liang, Jianru, Zhou, Lixiang, L, Bo
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Evaluation Study Journal Article Research Support, Non-U.S. Gov't Azo Compounds Ferric Compounds Water Pollutants, Chemical akaganeite titanium dioxide 15FIX9V2JP methyl orange mehr... 6B4TC34456 Titanium D1JT611TNE
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245 1 0 |a Visible light-degradation of azo dye methyl orange using TiO2/β-FeOOH as a heterogeneous photo-Fenton-like catalyst 
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520 |a In this study, a novel TiO2/β-FeOOH composite photocatalyst was synthesized by a hydrothermal method. X-ray diffraction, Fourier transform infrared spectrum, UV-vis diffuse reflectance spectra and scanning electron microscopy (SEM) were used to characterize the composite photocatalyst. The photocatalytic activity of the prepared composite photocatalyst was evaluated in a heterogeneous photo-Fenton-like process using methyl orange (MO) as target pollutant. The TiO2/β-FeOOH composites exhibited higher photocatalytic activity than pure β-FeOOH and TiO2 under visible-light irradiation. The enhanced photocatalytic activity can be ascribed to the formation of TiO2/β-FeOOH heterostructure, which plays an important role in expanding the photoactivity to the visible light region and in effectively prolonging the lifetime of photoinduced electrons and holes. Further investigation revealed that the 25TiO2/β-FeOOH composite synthesized with the TiO2/Fe(3+) in a mole ratio of 25:75 showed the highest catalytic activity 
650 4 |a Evaluation Study 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Ferric Compounds  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
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650 7 |a titanium dioxide  |2 NLM 
650 7 |a 15FIX9V2JP  |2 NLM 
650 7 |a methyl orange  |2 NLM 
650 7 |a 6B4TC34456  |2 NLM 
650 7 |a Titanium  |2 NLM 
650 7 |a D1JT611TNE  |2 NLM 
700 1 |a Zhang, Ming  |e verfasserin  |4 aut 
700 1 |a Wu, Jingyu  |e verfasserin  |4 aut 
700 1 |a Liang, Jianru  |e verfasserin  |4 aut 
700 1 |a Zhou, Lixiang  |e verfasserin  |4 aut 
700 1 |a L, Bo  |e verfasserin  |4 aut 
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773 1 8 |g volume:68  |g year:2013  |g number:10  |g day:28  |g pages:2178-85 
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