Influence of ZnFe2O4 doping on the structural and optical properties of TiO2 films

Guanghai Li; Lin Yang; Lide Zhang

doi:10.1117/12.408295

29 November 2000 Influence of ZnFe₂O₄ doping on the structural and optical properties of TiO₂ films

Guanghai Li, Lin Yang, Lide Zhang

Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000) https://doi.org/10.1117/12.408295
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China

Abstract

Amorphous TiO₂ thin films with and without the doping of ZnFe₂O₄ were prepared by radio frequency magnetron sputtering. The influence of post-deposition annealing on the structural and optical properties was studied. It was established that the anatase single phase exists between 250 degree(s)C and 800 degree(s)C in the TiO₂ thin films, and between 450 degree(s)C and 650 degree(s)C in the TiO₂ thin films with 2 wt% doping of ZnFe₂O₄. The absorption edge of TiO₂ thin films with and without doping exhibits a blue shift with decreasing annealing temperature and the absorption edge of TiO₂ doped with ZnFe₂O₄ has moved to visible spectrum range. The enhanced photoluminescence of the TiO₂ films doped with ZnFe₂O₄ was found in comparison with pure TiO₂ thin films at room temperature.

Citation Download Citation

Guanghai Li, Lin Yang, and Lide Zhang "Influence of ZnFe₂O₄ doping on the structural and optical properties of TiO₂ films", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); https://doi.org/10.1117/12.408295

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