“Structural and Optical Properties of Fe- Doped ZnO Thin Films Prepared by Sol–Gel Spin Coating Process and Their Photocatalytic Activities”. Iraqi Journal of Physics 17, no. 40 (March 1, 2019): 95–107. Accessed April 29, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/410.