TY - JOUR A1 - Horbelt, Renate A1 - Giso, Hahn A1 - Job, Reinhart A1 - Terheiden, Barbara T1 - Void formation in PERC solar cells and their impact on the electrical cell parameters verified by luminescence and scanning acoustic microscope measurements T2 - Energy Proceedia Y1 - 2015 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/7166 VL - 84 SP - 47 EP - 55 ER -