Kim, Jong Kyu Preparation of Nano Spinel Doped TiO₂ and Its Photocatalytic Activity Evaluation Under Visible Light Irradiation. [electronic resource] - Journal of nanoscience and nanotechnology Feb 2019 - 1137-1140 p. digital Publication Type: Journal Article ISSN: 1533-4880 Standard No.: 10.1166/jnn.2019.15962 doi