Numerical optimization of photovoltaic performance of cesium titanium bromide perovskite solar cells using dual copper oxide hole transport layers. African Scientific Reports, [S. l.], v. 5, n. 2, p. 488, 2026. DOI: 10.46481/asr.2026.5.2.488. Disponível em: https://asr.nsps.org.ng/index.php/asr/article/view/488. Acesso em: 21 jul. 2026.