“Structural and Morphological Investigation of Bulk Heterojunction Blend (NiPc C60) Thin Films under Heat Treatment”. Iraqi Journal of Science 59, no. 4A (October 31, 2018): 1847–1857. Accessed September 21, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/380.