R. W. L. Sia, P.-L. Low, Abdelrahman Hamed Ebrahem Abdelhamed, G. S. H. Thien, Y.-K. Sin, and K.-Y. Chan, “Investigation on Thermally Evaporated Aluminium Contact Layers for Perovskite Solar Cell Applications”, IJIE, vol. 16, no. 3, pp. 28–35, Apr. 2024, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/15832