Enhanced Nitrogen Doping in TiO2 Nanoparticles

TiO2   -   x N x nanoparticles were prepared by employing the direct amination of 6−10-nm-sized titania particles. Doping on the nanometer scale led to an enhanced nitrogen concentration of up to 8%, compared to ≤2% in thin films and micrometer-scale TiO2 powders. The synthesized TiO2   -   x N x na...

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Bibliographic Details
Published in:Nano letters 2003-08, Vol.3 (8), p.1049-1051
Main Authors: Burda, Clemens, Lou, Yongbing, Chen, Xiaobo, Samia, Anna C. S, Stout, John, Gole, James L
Format: Article
Language:English
Subjects:
Catalysis
Catalysts: preparations and properties
Chemistry
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
General and physical chemistry
Materials science
Nanopowders
Nanoscale materials and structures: fabrication and characterization
Physics
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:TiO2   -   x N x nanoparticles were prepared by employing the direct amination of 6−10-nm-sized titania particles. Doping on the nanometer scale led to an enhanced nitrogen concentration of up to 8%, compared to ≤2% in thin films and micrometer-scale TiO2 powders. The synthesized TiO2   -   x N x nanocrystals are catalytically active and absorb well into the visible region up to 600 nm, thus exemplifying the use of a nanostructure-based synthesis as a means of producing novel photocatalytic materials.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl034332o