Photoelectrochemical characterization of nitrogen-modified TiO2
 
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1
Gdansk University of Technology
2
University of Erlangen-Nürnberg
Publication date: 2007-01-01
 
Physicochem. Probl. Miner. Process. 2007;41(1):159–166
 
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ABSTRACT
Modification of the chemical structure of titanium dioxide by non-metal elements (nitrogen) allows to move photocatalytic activity of titanium dioxide towards visible light. Three samples of photocatalysts with different nitrogen content and different photocatalytic properties were prepared for photoelectrochemical characterization. The positions of valence and conduction band edges of obtained semiconductors were calculated which enabled better understanding of the mechanism of visible light activity of the photocatalysts.
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