Mkhaiber AM, Abdulameer AF. Structural and morphological investigation of bulk heterojunction blend (NiPc/C60) Thin films under heat treatment. Iraqi Journal of Science. 2018;59(4A):1847-1857. Accessed January 7, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/380