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TiO2 nanotubes as recyclable catalyst for efficient photocatalytic degradation of indigo carmine dye

Paper ID Volume ID Publish Year Pages File Format Full-Text
28382 44072 2009 5 PDF Available
Title
TiO2 nanotubes as recyclable catalyst for efficient photocatalytic degradation of indigo carmine dye
Abstract

TiO2 nanotubes have been synthesized in a hydrothermal system. The nanotubes were characterized by scanning electronic microscopy (SEM), FT-Raman spectroscopy and surface charge density by surface area analyzer. These nanocatalysts were applied to photocatalyse indigo carmine dye degradation. Photodegradation ability of TiO2 nanotubes was compared to TiO2 anatase photoactivity. Indigo carmine dye was completely degraded at 60 and 110 min of reaction catalysed by TiO2 nanotubes and TiO2 anatase, respectively. TiO2 nanotubes presented high photodegradation activity at pH 2 and TiO2 anatase at pH 4. TiO2 nanotubes were easily recycled whereas the reuse of TiO2 anatase was not effective. Nanotubes maintained 90% of activity after 10 catalytic cycles and TiO2 anatase presented only 10% of its activity after 10 cycles.

Keywords
Nanotubes; TiO2; Photodegradation; Indigo carmine
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TiO2 nanotubes as recyclable catalyst for efficient photocatalytic degradation of indigo carmine dye
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 201, Issue 1, 1 January 2009, Pages 45–49
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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