“Structural and morphological investigation of bulk heterojunction blend (NiPc/C60) Thin films under heat treatment”, Iraqi Journal of Science, vol. 59, no. 4A, pp. 1847–1857, Oct. 2018, Accessed: Dec. 23, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/380