Optimisation of Polyacrylic Acid Usage as Surfactant in Hydrothermally Synthesised Cu2ZnSnS4 Thin Films for Application as Counter Electrode in Dye Sensitised Solar Cell. Nigerian Journal of Applied Physics, [S. l.], v. 1, n. 1, p. 99–109, 2025. DOI: 10.62292/njap-v1i1-2025-22. Disponível em: https://njap.nipngr.org/index.php/njap/article/view/22. Acesso em: 2 oct. 2025.