Ould Salem, M., Fonoll, R., Giraldo, S., Sanchez, Y., Placidi, M., Izquierdo-Roca, V., Malerba, C., Valentini, M., Sylla, D., Thomere, A., Ahmedou, D.O., Saucedo, E., Pérez-Rodríguez, A., Jehl Li-Kao, Z. "Over 10% Efficient Wide Bandgap CIGSe Solar Cells on Transparent Substrate with Na Predeposition Treatment" Solar RRL 4, 11, pp. 2000284 - 2020 DOI: 10.1002/solr.202000284