Activated Carbon Films from Water Hyacinth Waste for Stable and Sustainable Counter-Electrode Application in Dye-Sensitized Solar Cells. Indonesian Journal of Science and Technology, [S. l.], v. 10, n. 1, p. 133–144, 2025. Disponível em: https://ejournal.kjpupi.id/index.php/ijost/article/view/410.. Acesso em: 15 jul. 2025.