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Photocatalytic effect of carbon-modified n-TiO2 nanoparticles under visible light illumination

Paper ID Volume ID Publish Year Pages File Format Full-Text
49014 46538 2006 6 PDF Available
Title
Photocatalytic effect of carbon-modified n-TiO2 nanoparticles under visible light illumination
Abstract

The present research focused on wet process synthesis of visible light active carbon-modified (CM)-n-TiO2 nanoparticles and their photocatalytic activity. The CM-n-TiO2 was synthesized by hydrolysis of TiCl4 in the presence of tetrabutylammonium hydroxide and also in the presence of glucose and sodium hydroxide. UV–vis spectra, X-ray diffraction (XRD), and FT-IR were used to characterize these photocatalysts. It was found that the CM-n-TiO2 nanoparticles synthesized by hydrolysis with tetrabutylammonium hydroxide or with sodium hydroxide and glucose when subjected to extended aging and subsequent calcinations absorb well into the visible to near infrared region up to 800 nm and exhibit enhanced visible light photocatalytic activity on degradation of 4-chlorophenol. CM-n-TiO2 synthesized using glucose as the carbon source generated 13-fold increase in the initial rate of photodegradation of 4-chlorophenol compared to those by regular n-TiO2, whereas, it increased only eight-fold when tetrabutylammonium hydroxide was used as the carbon source.

Keywords
Photocatalyst; Titanium dioxide; Photodegradation; Carbon-modified; Visible light active photocatalyst
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Photocatalytic effect of carbon-modified n-TiO2 nanoparticles under visible light illumination
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 64, Issues 3–4, 2 May 2006, Pages 312–317
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