“Enhancement Efficiency of Active Layer P3HT:POT:DBSA/PCBM Photoactive Solar Cell Device”, UTJsci, vol. 7, no. 2, pp. 90–94, Dec. 2020, Accessed: Apr. 28, 2024. [Online]. Available: https://jsci.utq.edu.iq/index.php/main/article/view/722