“Enhancement Efficiency of Active Layer P3HT:POT:DBSA PCBM Photoactive Solar Cell Device”. University of Thi-Qar Journal of Science 7, no. 2 (December 17, 2020): 90–94. Accessed December 26, 2024. http://mail.jsci.utq.edu.iq/index.php/main/article/view/722.