How the absorber thickness influences the formation of reverse bias induced defects in CIGS solar cells Klaas Bakker, Alix Rasia, Suzanne Assen, Basma Ben Said Aflouat, Arthur Weeber and Mirjam Theelen EPJ Photovolt., 11 (2020) 9 Published online: 10 November 2020 DOI: 10.1051/epjpv/2020006