“IJM03 Photocatalytic Activity of TiO2:TiN Nanocomposite Films Prepared by DC Reactive Sputtering Technique for Air Purification”. IRAQI JOURNAL OF MATERIALS 4, no. 3 (July 11, 2025): 109–114. Accessed October 21, 2026. http://ijmaterials.com/index.php/ijm/article/view/100.