A. javaid, S. Amjad, and S. Naseem, “Double Action p-n Junction Fabrication and Investigation for Solar cell and LED Application”, ASRJETS-Journal, vol. 54, no. 1, pp. 13–19, Mar. 2019, Accessed: Sep. 14, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4656