Lawaju, Umesh, and Prakash Joshi. “Dye-Sensitized Solar Cells With Cost-Effective Counter Electrode Based on Soybean Oil Lampblack”. Journal of Nepal Physical Society 8, no. 1 (December 13, 2022): 1–6. Accessed May 1, 2024. https://www.nepjol.info/index.php/JNPhysSoc/article/view/48279.