• Merdes, S.; Johnson, B.; Saez-Araoz, R.; Ennaoui, A.; Klaer, J.; Lauermann, I.; Mainz, R.; Meeder, A.; Klenk, R.: Current Transport in Cu(In,Ga)S-2 Based Solar Cells With High Open Circuit Voltage-Bulk Vs. Interface. In: THIN-FILM COMPOUND SEMICONDUCTOR VOLTAICS-2009 APR 13-17, 2009 San Francisco, CAWarrendale: MRS, 2010 (Materials Research Society Symposium Proceedings; 1165), p. 179-184