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Synthesis and characterization of TiO2/BaF2/ceramic radio-sensitive photocatalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
29064 44117 2006 6 PDF Available
Title
Synthesis and characterization of TiO2/BaF2/ceramic radio-sensitive photocatalyst
Abstract

Nanophase TiO2/BaF2 immobilized on micron size ceramic powder was prepared using the TiCl4 hydrolysis and EDTA chelating agent method. The photo-catalytic degradation effects for MB dye using UV and γ-radiations were investigated. The prepared nanocomposites were characterized using Brunauer–Emmett–Teller (BET), X-ray diffraction (XRD) and inductively coupled plasma-atomic emission spectrometry (ICP-AES) analysis. It is shown that MB can be effectively photodecomposed using prepared composites under UV or γ-radiation. Experimental results indicated that the existence of BaF2 enhances the photoactivity of TiO2 and becomes a light source around TiO2 by converting the γ-radiation. A relevant photo-catalytic mechanism induced using ionization radiation is proposed.

Keywords
Photocatalyst; Nanocomposite; TiO2; BaF2
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Synthesis and characterization of TiO2/BaF2/ceramic radio-sensitive photocatalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 182, Issue 1, 20 August 2006, Pages 93–98
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
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