WISZ, Grzegorz et al. Solar cells based on copper oxide and titanium dioxide prepared by reactive direct-current magnetron sputtering. Opto-Electronics Review, [S. l.], v. 29, n. 3, p. 97–105, 2026. DOI: 10.24425/opelre.2021.139039. Disponível em: https://wydawnictwo.pan.pl/index.php/opelre/article/view/585. Acesso em: 17 apr. 2026.