Rupesh Mahamune, et al. “Enhanced Charge Transport via Fe-Doped Brookite TiO2 ETLs for Eco-Friendly Perovskite Solar Cells”. International Journal of Nanoelectronics and Materials (IJNeaM) , vol. 19, no. 2, Apr. 2026, pp. 331-7, https://ejournal.unimap.edu.my/index.php/ijneam/article/view/3153.