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Catalytic activity of metal (M = Fe-, Cr-) loaded titania nanotubes

Paper ID Volume ID Publish Year Pages File Format Full-Text
50567 46802 2013 6 PDF Available
Title
Catalytic activity of metal (M = Fe-, Cr-) loaded titania nanotubes
Abstract

The catalytic activity of M-loaded titania nanotubes (M = Fe- and Cr-), prepared by hydrothermal treatment, was studied in the liquid-phase photodegradation of methyl orange. The prepared catalysts were characterized by various techniques. The optimum loading amounts of Fe and Cr were found to be at 2%, and 15%, respectively. When compared to unloaded and metal-loaded TNTs, the pure TNTs resulted in the best photocatalytic activity, giving complete degradation after 7 h, while 15% Cr-loaded TNTs calcined at 500 °C possessed the best absorption, about 80%, in the dark.

► The liquid-phase photodegradation of methyl orange using Fe/Cr-doped TNTs was studied. ► 2% of Fe and 15% of Cr were found to be the best optimum dopant amounts. ► The pure TNTs provided the best photocatalytic activity, giving complete degradation after 7 h.

Keywords
Titanium oxide nanotubes (TNTs); Fe/Cr-TNTs; Photocatalytic activity; Hydrothermal treatment; Microwave method
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 33, 5 March 2013, Pages 51–56
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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