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Keywords:

  • Doping;
  • Nanoparticles, inorganic;
  • Photocatalysts;
  • Titania;
  • Zirconia
Thumbnail image of graphical abstract

The controlled nitrogen doping of group IVB metal oxide nanoparticles is achieved by a reliable wet-chemical procedure to yield the structures shown in the figure. The resulting nanoparticles show visible-light activity and enhanced photocatalytic properties that can be attributed to the introduction of oxygen vacancies, additional nitrogen states, and defects in the metal oxide lattice.