Enríquez-Sánchez, N.; Vilchis-Nestor, A. R.; Camacho-López, S.; Camacho-López, M. A.; Camacho-López, M. Photoluminescent Carbon Colloids Prepared by Laser Fragmentation of Carbon from Waste Coffee Grounds. Superficies y Vacio 2024, 37, 240901.