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Nitrogen-doped SiO2/TiO2 core/shell nanoparticles as highly efficient visible light photocatalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51649 46849 2010 5 PDF Available
Title
Nitrogen-doped SiO2/TiO2 core/shell nanoparticles as highly efficient visible light photocatalyst
Abstract

Nitrogen-doped SiO2/TiO2 core/shell nanoparticles with uniform diameter were fabricated using SiO2 template sol–gel method. Furthermore, the relationship between the temperate of calcination and photocatalytic efficiency was also investigated in the viewpoint of organic pollutant decomposition. The morphology and characteristics of nitrogen-doped SiO2/TiO2 core/shell nanoparticles were studied by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV–vis diffuse reflectance spectroscopy (DRS), X-ray powder diffraction (XRD), and specific surface area. The results demonstrated that nitrogen-doped TiO2 layer was successfully coated onto the SiO2 nanoparticles without aggregation. Nitrogen-doped SiO2/TiO2 core/shell nanoparticles exhibited highly efficient photocatalytic activity under visible light irradiation due to high nitrogen doping level and surface area.

Keywords
Nitrogen-doped TiO2; Template; Photocatalyst; Calcination temperature; Visible light
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Nitrogen-doped SiO2/TiO2 core/shell nanoparticles as highly efficient visible light photocatalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 5, 25 January 2010, Pages 378–382
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