Fabrication of dye-sensitized solar cells using anthocyanidins from the extracts of Roselle (Hibiscus sabdariffa). Fountain Journal of Natural and Applied Sciences, [S. l.], v. 5, n. 1, 2016. DOI: 10.53704/fujnas.v5i1.88. Disponível em: https://www.fountainjournals.com/index.php/FUJNAS/article/view/88. Acesso em: 17 jan. 2026.