White light emitting diode prototypes based on cadmium sulfide and graphene carbon quantum dots. Revista Comunicaciones Científicas y Técnológicas, [S. l.], v. 6, n. 1, p. 15, 2022. Disponível em: https://revistas.ues.edu.sv/index.php/comunicaciones/article/view/2133. Acesso em: 17 apr. 2025.