Green synthesis of CuO nanoparticles from Cucurbita maxima leaf extract; a platinum free counter electrode for dye sensitized solar cells. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 7, n. 1, p. 2309, 2025. DOI: 10.46481/jnsps.2025.2309. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/2309. Acesso em: 30 jan. 2025.