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Enhanced photocatalytic degradation of rutile/anatase TiO2 heterojunction nanoflowers

Paper ID Volume ID Publish Year Pages File Format Full-Text
50481 46796 2015 5 PDF Available
Title
Enhanced photocatalytic degradation of rutile/anatase TiO2 heterojunction nanoflowers
Abstract

•Rutile/anatase TiO2 heterojunction nanoflowers were successfully prepared.•The samples exhibit notably enhanced photocatalytic activity.•The samples with the assist of H2O2 present enhanced photocatalytic activity.

Rutile/anatase TiO2 heterojunction nanoflowers were prepared via a facile one-step hydrothermal approach using titanium tetrachloride and urea as the raw materials, cetyl trimethyl ammonium bromide (CTAB) as the template. The prepared TiO2 nanoflowers were characterized by XRD, SEM, TEM and BET analyses. The photocatalytic performance of the as-prepared TiO2 samples for methyl blue degradation under simulated solar light was investigated. TiO2 heterojunction nanoflowers with mixed rutile/anatase phase (prepared with 3 mmol CTAB) give the highest photocatalytic activity. In addition, TiO2 nanoflowers show excellent stability after 9 cycles under the same conditions. These results suggested that the mixed phase anatase/rutile TiO2 heterojunction nanoflowers have great potential for the future photodegradation of real dye waste water.

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Keywords
Nanoflowers; Mixed phases; Hydrothermal; Photocatalysis
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Enhanced photocatalytic degradation of rutile/anatase TiO2 heterojunction nanoflowers
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 62, 5 March 2015, Pages 52–56
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us