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Keywords:

  • Titanium dioxide;
  • Photocatalysis;
  • Antibacterial properties;
  • titanium oxynitride;
  • Antimicrobial properties;
  • Escherichia coli;
  • Biomaterials

It has been possible to observe a 99.98% reduction in the viable count of colonies of E. coli on a film of titanium oxynitride when exposed to 365 nm light. This film of the recently discovered Ti2.85O4N, isostructural to pseudobrookite, was grown on a glass substrate using atmospheric pressure chemical vapour deposition (APCVD).