Operational stability and degradation of organic solar cells. Periodicals of Engineering and Natural Sciences, [S. l.], v. 5, n. 2, 2017. DOI: 10.21533/pen.v5.i2.1984. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1984. Acesso em: 3 jun. 2026.