Morka J.C. “Optical Properties of Natural Dye Leaf Extracts and Nanostructured TiO2 Particles As Photosensitizers for Dye-Sensitized Solar Cells”. Journal of Energy Engineering and Thermodynamics 4, no. 04 (June 19, 2024): 1–9. Accessed July 4, 2025. https://hmjournals.com/journal/index.php/JEET/article/view/4377.