Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3093820
Keywords
catalysis; crystal growth from solution; crystal structure; doping profiles; electronic structure; energy gap; localised states; nanofabrication; nanostructured materials; nitrogen; photochemistry; semiconductor doping; semiconductor materials; titanium compounds; ultraviolet spectra; visible spectra
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Funding
- NSF RII [EPS 0554328]
- NSF HP [GS1280]
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We present a comprehensive experimental and theoretical study of the electronic properties and photocatalytic activity of nitrogen-doped anatase TiO2 nanobelts. UV-visible spectra show enhanced absorption in the visible light range for nitrogen-doped nanobelts compared to the pristine sample. The nitrogen-doped nanobelts exhibit improved photocatalytic activity compared to the pristine sample upon visible light irradiation. Furthermore, the incorporation of nitrogen introduces localized states in the band gap.
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