Preparation of porous metal-ion-doped titanium dioxide and the photocatalytic degradation of 4-chlorophenol under visible light irradiation

Preparation of porous metal-ion-doped titanium dioxide and the photocatalytic degradation of 4-chlorophenol under visible light irradiation

[Display omitted] •TiO2 doped with seven metal ions was synthesized by the modified sol–gel method.•The metal ions should be added into the TiO2 sol at pH 3 during dialysis.•Pt-TiO2 and Cr-TiO2 effectively degraded 4-chlorophenol under visible light.•The photocatalytic activity of Cr-TiO2 was strong...

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Veröffentlicht in:Applied catalysis. B, Environmental Environmental, 2015-10, Vol.176-177, p.347-353
Hauptverfasser: Nishiyama, Naoto, Fujiwara, Yuhei, Adachi, Kenta, Inumaru, Kei, Yamazaki, Suzuko
Format: Artikel
Sprache:eng
Schlagworte:
4-Chlorophenol
Chromium
Chromium ion doped TiO2
Degradation
Dialysis
Light irradiation
Metal ion doped TiO2
Metal ions
Photocatalysis
Platinum
Sol–gel method
Titanium dioxide
Visible-light responsive photocatalyst
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Zusammenfassung:[Display omitted] •TiO2 doped with seven metal ions was synthesized by the modified sol–gel method.•The metal ions should be added into the TiO2 sol at pH 3 during dialysis.•Pt-TiO2 and Cr-TiO2 effectively degraded 4-chlorophenol under visible light.•The photocatalytic activity of Cr-TiO2 was strongly affected by the doping amount.•The activities were: 0.2atom% Pt-TiO2
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2015.04.015