Improving the efficiency of dye-sensitized solar cells with doping and co- doping titanium dioxide. Iraqi Journal of Science, [S. l.], v. 57, n. 3C, p. 2228–2233, 2022. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6437.. Acesso em: 10 aug. 2025.